2022-04-21T18:18:24,072 | WARN  | (ServletContainerInitializerScanner:136) - failed to parse and instantiate of javax.servlet.ServletContainerInitializer in classpath
2022-04-21T18:18:24,569 | INFO  | (Activator:131) - Testing connectivity to database at jdbc:postgresql://127.0.0.1/opencast
2022-04-21T18:18:24,698 | INFO  | (Activator:145) - Database connection pool established at jdbc:postgresql://127.0.0.1/opencast
2022-04-21T18:18:24,699 | INFO  | (Activator:146) - Database connection pool parameters: max.size=15, min.size=3, max.idle.time=3600
2022-04-21T18:18:24,761 | INFO  | (Activator:165) - Database credentials passed basic tests!
2022-04-21T18:18:25,048 | INFO  | (AbstractElasticsearchIndex:185) - Index identifier set to opencast.
2022-04-21T18:18:25,048 | INFO  | (AbstractElasticsearchIndex:213) - Index name set to Elasticsearch.
2022-04-21T18:18:25,050 | INFO  | (ElasticsearchIndex:163) - Max retry attempts for get requests set to 0, timeout set to 1000 ms.
2022-04-21T18:18:25,050 | INFO  | (ElasticsearchIndex:170) - Max retry attempts for update requests set to 0, timeout set to 1000 ms.
2022-04-21T18:18:26,842 | INFO  | (MessageBaseFacility:84) - No valid URL found. Using default URL
2022-04-21T18:18:26,842 | INFO  | (MessageBaseFacility:90) - MessageReceiverImpl is configured to connect with URL failover://(tcp://127.0.0.1:61616)?initialReconnectDelay=2000&maxReconnectDelay=60000
2022-04-21T18:18:26,853 | INFO  | (MessageBaseFacility:139) - Starting connection to ActiveMQ message broker, waiting until connection is established...
2022-04-21T18:18:27,001 | INFO  | (MessageBaseFacility$1:118) - Connection to ActiveMQ is working
2022-04-21T18:18:27,092 | INFO  | (MessageBaseFacility:153) - Connection to ActiveMQ message broker successfully started
2022-04-21T18:18:27,092 | INFO  | (MessageBaseFacility:92) - MessageReceiverImpl service successfully started
2022-04-21T18:18:27,101 | INFO  | (AnalyzeMediapackageWorkflowOperationHandler:100) - Analyze Mediapackage WOH activated.
2022-04-21T18:18:27,210 | INFO  | (EmailTemplateScanner:70) - EmailTemplateScanner activated
2022-04-21T18:18:27,211 | INFO  | (EmailTemplateScanner:104) - Template errorDetails installed
2022-04-21T18:18:27,236 | INFO  | (UrlSigningVerifierImpl:71) - Updating UrlSigningVerifierImpl
2022-04-21T18:18:27,236 | INFO  | (UrlSigningVerifierImpl:95) - UrlSigningVerifierImpl configured to not verify any urls.
2022-04-21T18:18:27,239 | INFO  | (UrlSigningFilter:211) - Updating UrlSigningFilter
2022-04-21T18:18:27,243 | INFO  | (UrlSigningFilter:219) - The UrlSigningFilter is configured to be disabled.
2022-04-21T18:18:27,243 | INFO  | (UrlSigningFilter:233) - The UrlSigningFilter is configured to use strict checking of resource URLs.
2022-04-21T18:18:27,244 | INFO  | (UrlSigningFilter:278) - Finished updating UrlSigningFilter
2022-04-21T18:18:27,250 | INFO  | (StatisticsServiceImpl:77) - Activating Statistics Service
2022-04-21T18:18:27,255 | INFO  | (StatisticsProviderInfluxService:95) - Activating Statistics Provider Influx Service
2022-04-21T18:18:27,423 | WARN  | (ServletContainerInitializerScanner:136) - failed to parse and instantiate of javax.servlet.ServletContainerInitializer in classpath
2022-04-21T18:18:27,486 | INFO  | (SimpleConfigurableStaticFileAuthorization:75) - Started authentication handler for [^/([^/]+)/oaipmh-default/.*$]
2022-04-21T18:18:27,490 | INFO  | (StaticResourceServlet:112) - Added static file authorization for [^/([^/]+)/oaipmh-default/.*$]
2022-04-21T18:18:27,491 | INFO  | (StaticResourceServlet:165) - Serving static files from '/home/lars/dev/opencast/build/opencast-dist-admin/data/opencast/downloads'
2022-04-21T18:18:27,967 | INFO  | (VersionEndpoint:85) - Activate the Admin ui - Latest version endpoint
2022-04-21T18:18:27,974 | INFO  | (AdminUIConfiguration:405) - Configuration updated
2022-04-21T18:18:28,229 | INFO  | (TranscriptionDatabaseImpl:69) - Activating persistence manager for transcription service
2022-04-21T18:18:28,472 | INFO  | (EventsListProvider:76) - Events list provider activated!
2022-04-21T18:18:28,976 | INFO  | (BundleInfoLogger:120) - Bundle org.apache.felix.framework, id 0, version 5.6.12, build number n/a
2022-04-21T18:18:28,988 | INFO  | (BundleInfoLogger:120) - Bundle org.apache.karaf.features.extension, id 1, version 4.2.15, build number n/a
2022-04-21T18:18:28,991 | INFO  | (BundleInfoLogger:120) - Bundle org.ops4j.pax.url.mvn, id 2, version 2.6.7, build number n/a
2022-04-21T18:18:28,994 | INFO  | (BundleInfoLogger:120) - Bundle org.ops4j.pax.logging.pax-logging-log4j2, id 3, version 1.11.13, build number n/a
2022-04-21T18:18:28,998 | INFO  | (BundleInfoLogger:120) - Bundle org.ops4j.pax.logging.pax-logging-api, id 4, version 1.11.13, build number n/a
2022-04-21T18:18:29,001 | INFO  | (BundleInfoLogger:120) - Bundle org.fusesource.jansi, id 5, version 1.18.0, build number n/a
2022-04-21T18:18:29,004 | INFO  | (BundleInfoLogger:120) - Bundle org.osgi.util.promise, id 6, version 1.1.1.201810101357, build number n/a
2022-04-21T18:18:29,006 | INFO  | (BundleInfoLogger:120) - Bundle org.apache.felix.coordinator, id 7, version 1.0.2, build number n/a
2022-04-21T18:18:29,009 | INFO  | (BundleInfoLogger:120) - Bundle org.osgi.util.function, id 8, version 1.1.0.201802012106, build number n/a
2022-04-21T18:18:29,012 | INFO  | (BundleInfoLogger:120) - Bundle org.apache.felix.configadmin, id 9, version 1.9.22, build number n/a
2022-04-21T18:18:29,015 | INFO  | (BundleInfoLogger:120) - Bundle org.apache.felix.fileinstall, id 10, version 3.7.4, build number n/a
2022-04-21T18:18:29,018 | INFO  | (BundleInfoLogger:120) - Bundle org.apache.karaf.features.core, id 11, version 4.2.15, build number n/a
2022-04-21T18:18:29,021 | INFO  | (BundleInfoLogger:120) - Bundle org.ops4j.pax.url.wrap, id 12, version 2.6.7, build number n/a
2022-04-21T18:18:29,024 | INFO  | (BundleInfoLogger:120) - Bundle android-mms, id 13, version 1.2.0, build number n/a
2022-04-21T18:18:29,026 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.core.jackson-annotations, id 14, version 2.11.4, build number n/a
2022-04-21T18:18:29,030 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.core.jackson-annotations, id 15, version 2.13.2, build number n/a
2022-04-21T18:18:29,036 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.core.jackson-core, id 16, version 2.11.4, build number n/a
2022-04-21T18:18:29,040 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.core.jackson-core, id 17, version 2.13.2, build number n/a
2022-04-21T18:18:29,045 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.core.jackson-databind, id 18, version 2.11.4, build number n/a
2022-04-21T18:18:29,048 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.core.jackson-databind, id 19, version 2.13.2, build number n/a
2022-04-21T18:18:29,051 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.dataformat.jackson-dataformat-cbor, id 20, version 2.13.2, build number n/a
2022-04-21T18:18:29,054 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.dataformat.jackson-dataformat-yaml, id 21, version 2.11.4, build number n/a
2022-04-21T18:18:29,057 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.dataformat.jackson-dataformat-yaml, id 22, version 2.13.2, build number n/a
2022-04-21T18:18:29,061 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.jaxrs.jackson-jaxrs-base, id 23, version 2.11.4, build number n/a
2022-04-21T18:18:29,064 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.jaxrs.jackson-jaxrs-json-provider, id 24, version 2.11.4, build number n/a
2022-04-21T18:18:29,067 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.jackson.module.jackson-module-jaxb-annotations, id 25, version 2.13.2, build number n/a
2022-04-21T18:18:29,070 | INFO  | (BundleInfoLogger:120) - Bundle com.fasterxml.woodstox.woodstox-core, id 26, version 6.2.6, build number n/a
2022-04-21T18:18:29,073 | INFO  | (BundleInfoLogger:120) - Bundle com.google.gson, id 27, version 2.8.9, build number n/a
2022-04-21T18:18:29,076 | INFO  | (BundleInfoLogger:120) - Bundle com.google.guava, id 28, version 30.1.1.jre, build number n/a
2022-04-21T18:18:29,080 | INFO  | (BundleInfoLogger:120) - Bundle com.google.guava.failureaccess, id 29, version 1.0.1, build number n/a
2022-04-21T18:18:29,084 | INFO  | (BundleInfoLogger:120) - Bundle com.googlecode.json-simple, id 30, version 1.1.1, build number n/a
2022-04-21T18:18:29,087 | INFO  | (BundleInfoLogger:120) - Bundle com.mysema.commons.lang, id 31, version 0.2.4, build number n/a
2022-04-21T18:18:29,090 | INFO  | (BundleInfoLogger:120) - Bundle com.mysema.querydsl.core, id 32, version 3.7.4, build number n/a
2022-04-21T18:18:29,093 | INFO  | (BundleInfoLogger:120) - Bundle com.mysema.querydsl.jpa, id 33, version 3.7.4, build number n/a
2022-04-21T18:18:29,096 | INFO  | (BundleInfoLogger:120) - Bundle com.mysema.querydsl.sql, id 34, version 3.7.4, build number n/a
2022-04-21T18:18:29,098 | INFO  | (BundleInfoLogger:120) - Bundle com.springsource.org.aopalliance, id 35, version 1.0.0, build number n/a
2022-04-21T18:18:29,101 | INFO  | (BundleInfoLogger:120) - Bundle com.sun.activation.jakarta.activation, id 36, version 1.2.2, build number n/a
2022-04-21T18:18:29,105 | INFO  | (BundleInfoLogger:120) - Bundle com.sun.istack.commons-runtime, id 37, version 3.0.7, build number n/a
2022-04-21T18:18:29,108 | INFO  | (BundleInfoLogger:120) - Bundle com.sun.mail.jakarta.mail, id 38, version 1.6.7, build number n/a
2022-04-21T18:18:29,111 | INFO  | (BundleInfoLogger:120) - Bundle functional, id 39, version 1.4.2, build number n/a
2022-04-21T18:18:29,114 | INFO  | (BundleInfoLogger:120) - Bundle groovy, id 40, version 2.4.3, build number n/a
2022-04-21T18:18:29,117 | INFO  | (BundleInfoLogger:120) - Bundle jakarta.annotation-api, id 41, version 1.3.5, build number n/a
2022-04-21T18:18:29,120 | INFO  | (BundleInfoLogger:120) - Bundle jakarta.jws-api, id 42, version 1.1.1, build number n/a
2022-04-21T18:18:29,123 | INFO  | (BundleInfoLogger:120) - Bundle javax.el-api, id 43, version 3.0.0, build number n/a
2022-04-21T18:18:29,126 | INFO  | (BundleInfoLogger:120) - Bundle javax.enterprise.cdi-api, id 44, version 2.0.0.SP1, build number n/a
2022-04-21T18:18:29,129 | INFO  | (BundleInfoLogger:120) - Bundle javax.interceptor-api, id 45, version 1.2.2, build number n/a
2022-04-21T18:18:29,132 | INFO  | (BundleInfoLogger:120) - Bundle javax.persistence, id 46, version 2.2.0.v201708071007, build number n/a
2022-04-21T18:18:29,135 | INFO  | (BundleInfoLogger:120) - Bundle javax.servlet-api, id 47, version 3.1.0, build number n/a
2022-04-21T18:18:29,138 | INFO  | (BundleInfoLogger:120) - Bundle javax.servlet.jsp-api, id 48, version 2.3.1, build number n/a
2022-04-21T18:18:29,140 | INFO  | (BundleInfoLogger:120) - Bundle javax.transaction-api, id 49, version 1.2.0, build number n/a
2022-04-21T18:18:29,144 | INFO  | (BundleInfoLogger:120) - Bundle javax.websocket-api, id 50, version 1.1.0, build number n/a
2022-04-21T18:18:29,152 | INFO  | (BundleInfoLogger:120) - Bundle joda-time, id 51, version 2.10.10, build number n/a
2022-04-21T18:18:29,156 | INFO  | (BundleInfoLogger:120) - Bundle opencast-admin-ui, id 52, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,159 | INFO  | (BundleInfoLogger:120) - Bundle opencast-admin-ui-frontend, id 53, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,163 | INFO  | (BundleInfoLogger:120) - Bundle opencast-adopter-registration-api, id 54, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,166 | INFO  | (BundleInfoLogger:120) - Bundle opencast-adopter-registration-impl, id 55, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,170 | INFO  | (BundleInfoLogger:120) - Bundle opencast-analyze-mediapackage-workflowoperation, id 56, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,173 | INFO  | (BundleInfoLogger:120) - Bundle opencast-animate-api, id 57, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,177 | INFO  | (BundleInfoLogger:120) - Bundle opencast-animate-remote, id 58, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,180 | INFO  | (BundleInfoLogger:120) - Bundle opencast-animate-workflowoperation, id 59, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,184 | INFO  | (BundleInfoLogger:120) - Bundle opencast-asset-manager-api, id 60, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,188 | INFO  | (BundleInfoLogger:120) - Bundle opencast-asset-manager-impl, id 61, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,192 | INFO  | (BundleInfoLogger:120) - Bundle opencast-asset-manager-static-file-authorization, id 62, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,196 | INFO  | (BundleInfoLogger:120) - Bundle opencast-asset-manager-storage-aws, id 63, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,200 | INFO  | (BundleInfoLogger:120) - Bundle opencast-asset-manager-storage-fs, id 64, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,203 | INFO  | (BundleInfoLogger:120) - Bundle opencast-asset-manager-workflowoperation, id 65, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,206 | INFO  | (BundleInfoLogger:120) - Bundle opencast-authorization-manager, id 66, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,210 | INFO  | (BundleInfoLogger:120) - Bundle opencast-authorization-xacml, id 67, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,214 | INFO  | (BundleInfoLogger:120) - Bundle opencast-caption-api, id 68, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,218 | INFO  | (BundleInfoLogger:120) - Bundle opencast-caption-impl, id 69, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,221 | INFO  | (BundleInfoLogger:120) - Bundle opencast-capture-admin-service-api, id 70, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,224 | INFO  | (BundleInfoLogger:120) - Bundle opencast-capture-admin-service-impl, id 71, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,228 | INFO  | (BundleInfoLogger:120) - Bundle opencast-comments-workflowoperation, id 72, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,231 | INFO  | (BundleInfoLogger:120) - Bundle opencast-common, id 73, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,234 | INFO  | (BundleInfoLogger:120) - Bundle opencast-common-jpa-impl, id 74, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,236 | INFO  | (BundleInfoLogger:120) - Bundle opencast-composer-service-api, id 75, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,239 | INFO  | (BundleInfoLogger:120) - Bundle opencast-composer-service-remote, id 76, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,241 | INFO  | (BundleInfoLogger:120) - Bundle opencast-composer-workflowoperation, id 77, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,244 | INFO  | (BundleInfoLogger:120) - Bundle opencast-conductor, id 78, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,247 | INFO  | (BundleInfoLogger:120) - Bundle opencast-cover-image-api, id 79, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,250 | INFO  | (BundleInfoLogger:120) - Bundle opencast-cover-image-remote, id 80, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,253 | INFO  | (BundleInfoLogger:120) - Bundle opencast-cover-image-workflowoperation, id 81, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,256 | INFO  | (BundleInfoLogger:120) - Bundle opencast-crop-api, id 82, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,259 | INFO  | (BundleInfoLogger:120) - Bundle opencast-crop-remote, id 83, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,266 | INFO  | (BundleInfoLogger:120) - Bundle opencast-crop-workflowoperation, id 84, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,269 | INFO  | (BundleInfoLogger:120) - Bundle opencast-db, id 85, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,272 | INFO  | (BundleInfoLogger:120) - Bundle opencast-distribution-service-api, id 86, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,275 | INFO  | (BundleInfoLogger:120) - Bundle opencast-distribution-service-aws-s3-api, id 87, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,278 | INFO  | (BundleInfoLogger:120) - Bundle opencast-distribution-service-aws-s3-remote, id 88, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,282 | INFO  | (BundleInfoLogger:120) - Bundle opencast-distribution-service-download-remote, id 89, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,285 | INFO  | (BundleInfoLogger:120) - Bundle opencast-distribution-service-streaming-remote, id 90, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,288 | INFO  | (BundleInfoLogger:120) - Bundle opencast-distribution-workflowoperation, id 91, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,291 | INFO  | (BundleInfoLogger:120) - Bundle opencast-dublincore, id 92, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,293 | INFO  | (BundleInfoLogger:120) - Bundle opencast-editor, id 93, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,297 | INFO  | (BundleInfoLogger:120) - Bundle opencast-editor-service, id 94, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,300 | INFO  | (BundleInfoLogger:120) - Bundle opencast-editor-service-api, id 95, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,303 | INFO  | (BundleInfoLogger:120) - Bundle opencast-elasticsearch-api, id 96, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,305 | INFO  | (BundleInfoLogger:120) - Bundle opencast-elasticsearch-impl, id 97, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,308 | INFO  | (BundleInfoLogger:120) - Bundle opencast-elasticsearch-index, id 98, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,310 | INFO  | (BundleInfoLogger:120) - Bundle opencast-email-template-service-api, id 99, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,313 | INFO  | (BundleInfoLogger:120) - Bundle opencast-email-template-service-impl, id 100, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,319 | INFO  | (BundleInfoLogger:120) - Bundle opencast-event-comment, id 101, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,322 | INFO  | (BundleInfoLogger:120) - Bundle opencast-execute-api, id 102, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,325 | INFO  | (BundleInfoLogger:120) - Bundle opencast-execute-remote, id 103, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,329 | INFO  | (BundleInfoLogger:120) - Bundle opencast-execute-workflowoperation, id 104, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,332 | INFO  | (BundleInfoLogger:120) - Bundle opencast-external-api, id 105, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,335 | INFO  | (BundleInfoLogger:120) - Bundle opencast-fileupload, id 106, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,337 | INFO  | (BundleInfoLogger:120) - Bundle opencast-incident-workflowoperation, id 107, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,340 | INFO  | (BundleInfoLogger:120) - Bundle opencast-index-service, id 108, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,342 | INFO  | (BundleInfoLogger:120) - Bundle opencast-ingest-download-service-api, id 109, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,345 | INFO  | (BundleInfoLogger:120) - Bundle opencast-ingest-download-service-remote, id 110, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,348 | INFO  | (BundleInfoLogger:120) - Bundle opencast-ingest-download-service-workflowoperation, id 111, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,350 | INFO  | (BundleInfoLogger:120) - Bundle opencast-ingest-service-api, id 112, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,354 | INFO  | (BundleInfoLogger:120) - Bundle opencast-ingest-service-impl, id 113, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,357 | INFO  | (BundleInfoLogger:120) - Bundle opencast-inspection-service-api, id 114, version 12.0.0.SNAPSHOT, build number 17df911
2022-04-21T18:18:29,359 | INFO  | (BundleInfoLogger:120) - Bundle opencast-inspection-service-remote, id 115, version 12.0.0.SNAPSHOT, build number 17df911
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2022-04-21T18:18:29,956 | INFO  | (BundleInfoLogger:120) - Bundle org.eclipse.jetty.client, id 313, version 9.4.43.v20210629, build number n/a
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2022-04-21T18:18:30,107 | INFO  | (BundleInfoLogger:120) - Bundle org.springframework.ldap, id 371, version 1.3.1.RELEASE, build number n/a
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2022-04-21T18:18:30,121 | INFO  | (BundleInfoLogger:120) - Bundle org.springframework.security.web, id 378, version 3.1.7.RELEASE, build number n/a
2022-04-21T18:18:30,123 | INFO  | (BundleInfoLogger:120) - Bundle org.springframework.transaction, id 379, version 3.1.4.RELEASE, build number n/a
2022-04-21T18:18:30,125 | INFO  | (BundleInfoLogger:120) - Bundle org.springframework.web, id 380, version 3.1.4.RELEASE, build number n/a
2022-04-21T18:18:30,127 | INFO  | (BundleInfoLogger:120) - Bundle org.yaml.snakeyaml, id 381, version 1.26.0, build number n/a
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2022-04-21T18:18:30,132 | INFO  | (BundleInfoLogger:120) - Bundle stax2-api, id 383, version 4.2.1, build number n/a
2022-04-21T18:18:30,222 | INFO  | (SmtpService:90) - Smtp service is in test mode
2022-04-21T18:18:30,225 | INFO  | (BaseSmtpService:211) - Mail service configured with localhost
2022-04-21T18:18:30,234 | INFO  | (BaseSmtpService:214) - mail.transport.protocol: smtp
2022-04-21T18:18:30,234 | INFO  | (BaseSmtpService:214) - mail.debug: false
2022-04-21T18:18:30,234 | INFO  | (BaseSmtpService:214) - mail.from: opencast@localhost
2022-04-21T18:18:30,235 | INFO  | (BaseSmtpService:214) - mail.smtp.auth: false
2022-04-21T18:18:30,235 | INFO  | (BaseSmtpService:214) - mail.smtp.host: localhost
2022-04-21T18:18:30,414 | INFO  | (RestPublisher:348) - Registered REST endpoint at /smil
2022-04-21T18:18:30,437 | INFO  | (RestPublisher:348) - Registered REST endpoint at /statistics
2022-04-21T18:18:30,456 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/oc-version
2022-04-21T18:18:30,476 | INFO  | (RestPublisher:348) - Registered REST endpoint at /sysinfo
2022-04-21T18:18:30,526 | INFO  | (CaptureAgentStateServiceImpl:133) - CaptureAgentStateServiceImpl starting.
2022-04-21T18:18:30,527 | INFO  | (CaptureAgentStateServiceImpl:154) - Capture agent status timeout is 120 minutes
2022-04-21T18:18:30,528 | INFO  | (AgentsListProvider:62) - Capture-agents list provider activated!
2022-04-21T18:18:30,530 | INFO  | (CaptureAgentsEndpoint:101) - Activating External API - Capture Agents Endpoint
2022-04-21T18:18:30,549 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api/agents
2022-04-21T18:18:30,552 | INFO  | (AssetManagerStaticFileAuthorization:99) - Started authentication handler for ^/([^/]+)/(?:api|internal)/([^/]+)/.*$
2022-04-21T18:18:30,552 | INFO  | (StaticResourceServlet:112) - Added static file authorization for [^/([^/]+)/(?:api|internal)/([^/]+)/.*$]
2022-04-21T18:18:30,554 | INFO  | (CustomRoleProvider:127) - CustomRoleProvider activated, 0 custom role(s)
2022-04-21T18:18:30,558 | WARN  | (InMemoryUserAndRoleProvider:133) - 
######################################################
#                                                    #
# WARNING: Opencast still uses the default system    #
#          credentials. Never do this in production. #
#                                                    #
#          To change the password, edit the key      #
#          org.opencastproject.security.digest.pass  #
#          in custom.properties.                     #
#                                                    #
######################################################
2022-04-21T18:18:30,563 | INFO  | (UserAndRoleDirectoryServiceImpl:146) - Using default value 200 for user cache size
2022-04-21T18:18:30,563 | INFO  | (UserAndRoleDirectoryServiceImpl:157) - Using default value 1 for user cache expiry time
2022-04-21T18:18:30,564 | INFO  | (UserAndRoleDirectoryServiceImpl:167) - Activated UserAndRoleDirectoryService with user cache of size 200, expiry time 1 minutes
2022-04-21T18:18:30,583 | INFO  | (RestPublisher:348) - Registered REST endpoint at /users
2022-04-21T18:18:30,585 | INFO  | (ContributorsListProvider:87) - Contributors list provider activated!
2022-04-21T18:18:30,587 | INFO  | (UsersListProvider:74) - Users list provider activated!
2022-04-21T18:18:30,598 | INFO  | (UserIdRoleProvider:218) - Using default userRole prefix 'ROLE_USER_'
2022-04-21T18:18:30,598 | INFO  | (UserIdRoleProvider:227) - Using default for sanitizing user names 'true'
2022-04-21T18:18:30,599 | INFO  | (SeriesListProvider:88) - Series list provider activated!
2022-04-21T18:18:30,600 | INFO  | (ThemesListProvider:70) - Themes list provider activated!
2022-04-21T18:18:30,619 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/capture-agents
2022-04-21T18:18:30,621 | INFO  | (UIRolesRoleProvider:85) - Activated Admin UI roles role provider
2022-04-21T18:18:30,624 | INFO  | (UserSettingsService:80) - Activating persistence manager for user settings
2022-04-21T18:18:30,624 | INFO  | (UserSettingsEndpoint:102) - Activate the Admin ui - Users facade endpoint
2022-04-21T18:18:30,646 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/user-settings
2022-04-21T18:18:30,648 | INFO  | (AclListProvider:65) - ACL list provider activated!
2022-04-21T18:18:30,651 | INFO  | (AclEndpoint:162) - Activate the Admin ui - Acl facade endpoint
2022-04-21T18:18:30,669 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/acl
2022-04-21T18:18:30,675 | INFO  | (ListProvidersScanner:217) - Installing list provider /home/lars/dev/opencast/build/opencast-dist-admin/etc/listproviders/event.upload.asset.options.properties
2022-04-21T18:18:30,677 | INFO  | (BaseEndpoint:112) - Activating External API - Base Endpoint
2022-04-21T18:18:30,677 | INFO  | (ListProvidersScanner:163) - Adding eventUploadAssetOptions for *
2022-04-21T18:18:30,678 | INFO  | (ListProvidersScanner:217) - Installing list provider /home/lars/dev/opencast/build/opencast-dist-admin/etc/listproviders/event.comment.reasons.properties
2022-04-21T18:18:30,679 | INFO  | (ListProvidersScanner:163) - Adding eventCommentReasons for *
2022-04-21T18:18:30,679 | INFO  | (ListProvidersScanner:217) - Installing list provider /home/lars/dev/opencast/build/opencast-dist-admin/etc/listproviders/publication.channels.properties
2022-04-21T18:18:30,680 | INFO  | (ListProvidersScanner:163) - Adding PUBLICATION.CHANNELS for *
2022-04-21T18:18:30,680 | INFO  | (ListProvidersScanner:217) - Installing list provider /home/lars/dev/opencast/build/opencast-dist-admin/etc/listproviders/adminui.stats.properties
2022-04-21T18:18:30,680 | INFO  | (ListProvidersScanner:163) - Adding STATS for *
2022-04-21T18:18:30,680 | INFO  | (ListProvidersScanner:217) - Installing list provider /home/lars/dev/opencast/build/opencast-dist-admin/etc/listproviders/licenses.properties
2022-04-21T18:18:30,681 | INFO  | (ListProvidersScanner:163) - Adding LICENSES for *
2022-04-21T18:18:30,681 | INFO  | (ListProvidersScanner:217) - Installing list provider /home/lars/dev/opencast/build/opencast-dist-admin/etc/listproviders/languages.properties
2022-04-21T18:18:30,681 | INFO  | (ListProvidersScanner:163) - Adding LANGUAGES for *
2022-04-21T18:18:30,681 | INFO  | (ListProvidersScanner:217) - Installing list provider /home/lars/dev/opencast/build/opencast-dist-admin/etc/listproviders/acl.additional.actions.properties
2022-04-21T18:18:30,682 | INFO  | (ListProvidersScanner:163) - Adding ACL.ACTIONS for *
2022-04-21T18:18:30,698 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api
2022-04-21T18:18:30,701 | INFO  | (ExternalApiRoleProvider:94) - Activated External API role provider
2022-04-21T18:18:30,719 | INFO  | (RestPublisher:348) - Registered REST endpoint at /ui/config
2022-04-21T18:18:30,741 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/adopter
2022-04-21T18:18:30,744 | INFO  | (MessageBaseFacility:84) - No valid URL found. Using default URL
2022-04-21T18:18:30,744 | INFO  | (MessageBaseFacility:90) - MessageSenderImpl is configured to connect with URL failover://(tcp://127.0.0.1:61616)?initialReconnectDelay=2000&maxReconnectDelay=60000
2022-04-21T18:18:30,744 | INFO  | (MessageBaseFacility:139) - Starting connection to ActiveMQ message broker, waiting until connection is established...
2022-04-21T18:18:30,747 | INFO  | (MessageBaseFacility$1:118) - Connection to ActiveMQ is working
2022-04-21T18:18:30,755 | INFO  | (MessageBaseFacility:153) - Connection to ActiveMQ message broker successfully started
2022-04-21T18:18:30,755 | INFO  | (MessageBaseFacility:92) - MessageSenderImpl service successfully started
2022-04-21T18:18:30,777 | INFO  | (RestPublisher:348) - Registered REST endpoint at /broker
2022-04-21T18:18:30,780 | INFO  | (SchedulerServiceDatabaseImpl:93) - Activating persistence manager for scheduler
2022-04-21T18:18:30,808 | INFO  | (OrganizationDatabaseImpl:81) - Activating persistence manager for kernel
2022-04-21T18:18:30,810 | INFO  | (StaticFileServiceImpl:110) - Upload Static Resource Service started.
2022-04-21T18:18:30,811 | INFO  | (JmxUtil:48) - Registering org.opencastproject.staticfiles.jmx.UploadStatistics with JMX
2022-04-21T18:18:30,831 | INFO  | (StaticFileServiceImpl:135) - Purging of temporary storage section scheduled
2022-04-21T18:18:30,832 | INFO  | (StaticFileRestService:163) - Static File REST Service started.
2022-04-21T18:18:30,834 | INFO  | (StaticFileServiceImpl:335) - Start purging temporary storage section of all known organizations
2022-04-21T18:18:30,842 | INFO  | (SpringSecurityConfigurationArtifactInstaller:108) - registered OsgiBundleXmlApplicationContext(bundle=opencast-kernel, config=file:/home/lars/dev/opencast/build/opencast-dist-admin/etc/security/mh_default_org.xml): startup date [Thu Jan 01 01:00:00 CET 1970]; root of context hierarchy for mh_default_org
2022-04-21T18:18:30,857 | INFO  | (RestPublisher:348) - Registered REST endpoint at /staticfiles
2022-04-21T18:18:30,871 | WARN  | (AdminUserAndGroupLoader:142) - 
######################################################
#                                                    #
# WARNING: Opencast still uses the default admin     #
#          credentials. Never do this in production. #
#                                                    #
#          To change the password, edit the key      #
#          org.opencastproject.security.admin.pass   #
#          in custom.properties.                     #
#                                                    #
######################################################
2022-04-21T18:18:31,337 | INFO  | (UserEndpoint:110) - Start users endpoint
2022-04-21T18:18:31,362 | INFO  | (RestPublisher:348) - Registered REST endpoint at /user-utils
2022-04-21T18:18:31,367 | INFO  | (UsersEndpoint:168) - Activate the Admin ui - Users facade endpoint
2022-04-21T18:18:31,404 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/users
2022-04-21T18:18:31,412 | INFO  | (LtiLaunchAuthenticationHandler:203) - Activating LtiLaunchAuthenticationHandler
2022-04-21T18:18:31,416 | INFO  | (GroupRoleEndpoint:113) - Activating  org.opencastproject.userdirectory.endpoint.GroupRoleEndpoint
2022-04-21T18:18:31,440 | INFO  | (RestPublisher:348) - Registered REST endpoint at /groups
2022-04-21T18:18:31,442 | INFO  | (GroupsListProvider:63) - Groups list provider activated!
2022-04-21T18:18:31,446 | INFO  | (GroupsEndpoint:138) - Activating External API - Groups Endpoint
2022-04-21T18:18:31,471 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api/groups
2022-04-21T18:18:31,494 | INFO  | (RestPublisher:348) - Registered REST endpoint at /roles
2022-04-21T18:18:31,531 | INFO  | (EventCommentDatabaseServiceImpl:109) - Activating persistence manager for event comments
2022-04-21T18:18:31,531 | INFO  | (IndexRebuildService:211) - Service Comments added.
2022-04-21T18:18:31,534 | INFO  | (EventCommentsListProvider:78) - Comments list provider activated!
2022-04-21T18:18:31,538 | INFO  | (AclScanner:92) - Activated Acl scanner
2022-04-21T18:18:31,540 | INFO  | (AclScanner:282) - Installing Acl /home/lars/dev/opencast/build/opencast-dist-admin/etc/acl/private.xml
2022-04-21T18:18:31,544 | INFO  | (OrganizationDirectoryServiceImpl:239) - Creating organization 'mh_default_org'
2022-04-21T18:18:31,575 | INFO  | (RestPublisher:348) - Registered REST endpoint at /org
2022-04-21T18:18:31,613 | INFO  | (AclScanner:282) - Installing Acl /home/lars/dev/opencast/build/opencast-dist-admin/etc/acl/authenticated.xml
2022-04-21T18:18:31,681 | INFO  | (AdminUserAndGroupLoader:215) - Administrator user for 'mh_default_org' created
2022-04-21T18:18:31,695 | INFO  | (AdminUserAndGroupLoader:265) - Creating mh_default_org's system administrator group
2022-04-21T18:18:31,739 | INFO  | (AclScanner:282) - Installing Acl /home/lars/dev/opencast/build/opencast-dist-admin/etc/acl/public.xml
2022-04-21T18:18:31,747 | INFO  | (ThemesServiceDatabaseImpl:102) - Activating persistence manager for themes
2022-04-21T18:18:31,748 | INFO  | (IndexRebuildService:211) - Service Themes added.
2022-04-21T18:18:31,764 | INFO  | (AbstractUrlSigningProvider:160) - Updating Generic URL Signing Provider
2022-04-21T18:18:31,764 | INFO  | (AbstractUrlSigningProvider:230) - Generic URL Signing Provider configured to not sign any urls.
2022-04-21T18:18:31,769 | INFO  | (AbstractUrlSigningProvider:160) - Updating Wowza URL Signing Provider
2022-04-21T18:18:31,769 | INFO  | (AbstractUrlSigningProvider:230) - Wowza URL Signing Provider configured to not sign any urls.
2022-04-21T18:18:31,782 | INFO  | (UrlSigningServiceImpl:64) - Generic URL Signing Provider registered
2022-04-21T18:18:31,783 | INFO  | (UrlSigningServiceImpl:64) - Wowza URL Signing Provider registered
2022-04-21T18:18:31,789 | INFO  | (TrustedHttpClientImpl:311) - Unable to get property with key org.opencastproject.security.digest.nonce.retries so using default of 12 because of null
2022-04-21T18:18:31,789 | INFO  | (TrustedHttpClientImpl:311) - Unable to get property with key org.opencastproject.security.digest.nonce.base.time so using default of 300 because of null
2022-04-21T18:18:31,789 | INFO  | (TrustedHttpClientImpl:311) - Unable to get property with key org.opencastproject.security.digest.nonce.variable.time so using default of 300 because of null
2022-04-21T18:18:31,791 | INFO  | (ServiceRegistryJpaImpl:312) - Activate service registry
2022-04-21T18:18:31,808 | INFO  | (JmxUtil:48) - Registering org.opencastproject.serviceregistry.impl.jmx.HostsStatistics with JMX
2022-04-21T18:18:31,809 | INFO  | (JmxUtil:48) - Registering org.opencastproject.serviceregistry.impl.jmx.ServicesStatistics with JMX
2022-04-21T18:18:31,810 | INFO  | (JmxUtil:48) - Registering org.opencastproject.serviceregistry.impl.jmx.JobsStatistics with JMX
2022-04-21T18:18:31,811 | INFO  | (ServiceRegistryJpaImpl:370) - Node maximum load set to 16.0
2022-04-21T18:18:31,812 | INFO  | (ServiceRegistryJpaImpl:1203) - Registering http://localhost:8080 with a maximum load of 16.0
2022-04-21T18:18:31,865 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'studio-upload' from file 'studio-upload.xml' installed
2022-04-21T18:18:31,867 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'schedule-and-upload' from file 'schedule-and-upload.xml' installed
2022-04-21T18:18:31,869 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'partial-publish' from file 'partial-publish.xml' installed
2022-04-21T18:18:31,870 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'partial-transcode-studio-tracks' from file 'partial-transcode-studio-tracks.xml' installed
2022-04-21T18:18:31,989 | INFO  | (ServiceRegistryJpaImpl:399) - Activated
2022-04-21T18:18:31,994 | INFO  | (ServersListProvider:171) - Servers list provider activated!
2022-04-21T18:18:31,995 | INFO  | (ServicesListProvider:135) - Services list provider activated!
2022-04-21T18:18:32,045 | INFO  | (RestPublisher:348) - Registered REST endpoint at /metrics
2022-04-21T18:18:32,054 | ERROR | (Main$1:328) - Bundle opencast-cover-image-remote [80] EventDispatcher: Error during dispatch. (java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient)
java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:776) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) ~[org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) [!/:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) [!/:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) [!/:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) [!/:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) [!/:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) [!/:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) [!/:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) [!/:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) [!/:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) [!/:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) [!/:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) [!/:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:674) [!/:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:437) [!/:?]
	at org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:667) [!/:?]
	at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:305) [!/:?]
	at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:554) [!/:?]
	at org.apache.felix.scr.impl.Activator.access$200(Activator.java:70) [!/:?]
	at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:421) [!/:?]
	at org.apache.felix.scr.impl.AbstractExtender.createExtension(AbstractExtender.java:196) [!/:?]
	at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:169) [!/:?]
	at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:49) [!/:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:482) [osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:415) [osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232) [osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:444) [osgi.core-6.0.0.jar:?]
	at org.apache.felix.framework.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:915) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:834) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.EventDispatcher.fireBundleEvent(EventDispatcher.java:516) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4579) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.Felix.startBundle(Felix.java:2174) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:984) [org.apache.felix.framework-5.6.12.jar:?]
	at org.apache.karaf.features.internal.service.BundleInstallSupportImpl.startBundle(BundleInstallSupportImpl.java:165) [!/:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1154) [!/:?]
	at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:1044) [!/:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1063) [!/:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:998) [!/:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	... 104 more
2022-04-21T18:18:32,062 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:776) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) ~[?:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) ~[?:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) ~[?:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) ~[?:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) ~[?:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) ~[?:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) ~[?:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) ~[?:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) ~[?:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:674) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:437) ~[?:?]
	at org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:667) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:305) ~[?:?]
	at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:554) ~[?:?]
	at org.apache.felix.scr.impl.Activator.access$200(Activator.java:70) ~[?:?]
	at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:421) ~[?:?]
	at org.apache.felix.scr.impl.AbstractExtender.createExtension(AbstractExtender.java:196) ~[?:?]
	at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:169) ~[?:?]
	at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:49) ~[?:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:482) ~[osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:415) ~[osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232) ~[osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:444) ~[osgi.core-6.0.0.jar:?]
	at org.apache.felix.framework.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:915) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:834) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireBundleEvent(EventDispatcher.java:516) ~[?:?]
	at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4579) ~[?:?]
	at org.apache.felix.framework.Felix.startBundle(Felix.java:2174) ~[?:?]
	at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[?:?]
	at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:984) ~[?:?]
	at org.apache.karaf.features.internal.service.BundleInstallSupportImpl.startBundle(BundleInstallSupportImpl.java:165) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1154) ~[?:?]
	at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:1044) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1063) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:998) ~[?:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	... 104 more
2022-04-21T18:18:32,072 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'fast-yaml' from file 'fast-example.yaml' installed
2022-04-21T18:18:32,073 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'partial-theming-title-slide' from file 'partial-theming-title-slide.xml' installed
2022-04-21T18:18:32,074 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'duplicate-event' from file 'duplicate-event.xml' installed
2022-04-21T18:18:32,075 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'publish' from file 'publish.xml' installed
2022-04-21T18:18:32,075 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'partial-error' from file 'partial-error.xml' installed
2022-04-21T18:18:32,076 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'partial-theming-watermark' from file 'partial-theming-watermark.xml' installed
2022-04-21T18:18:32,079 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'partial-theming' from file 'partial-theming.xml' installed
2022-04-21T18:18:32,080 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'delete' from file 'delete.xml' installed
2022-04-21T18:18:32,080 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'retract' from file 'retract.xml' installed
2022-04-21T18:18:32,081 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'partial-preview' from file 'partial-preview.xml' installed
2022-04-21T18:18:32,082 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'partial-ingest' from file 'partial-ingest.xml' installed
2022-04-21T18:18:32,083 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'copy-event-to-series' from file 'copy-event-to-series.xml' installed
2022-04-21T18:18:32,084 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'noop' from file 'noop.xml' installed
2022-04-21T18:18:32,085 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'republish-metadata' from file 'republish-metadata.xml' installed
2022-04-21T18:18:32,085 | INFO  | (WorkflowDefinitionScanner:131) - 18 Workflow definitions loaded, activating Workflow service
2022-04-21T18:18:32,087 | INFO  | (WorkflowDefinitionScanner:158) - Workflow definition 'fast' from file 'fast.xml' installed
2022-04-21T18:18:32,094 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/feeds
2022-04-21T18:18:32,096 | INFO  | (ServerEndpoint:171) - Activate job endpoint
2022-04-21T18:18:32,133 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/server
2022-04-21T18:18:32,135 | INFO  | (ServicesEndpoint:418) - ServicesEndpoint is activated!
2022-04-21T18:18:32,165 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/services
2022-04-21T18:18:32,167 | INFO  | (ServiceRegistryJpaImpl:742) - Updating service registry properties
2022-04-21T18:18:32,167 | INFO  | (ServiceRegistryJpaImpl:788) - Dispatch interval set to 2 ms
2022-04-21T18:18:32,200 | INFO  | (RestPublisher:348) - Registered REST endpoint at /nop
2022-04-21T18:18:32,232 | INFO  | (RestPublisher:348) - Registered REST endpoint at /services
2022-04-21T18:18:32,298 | INFO  | (RestPublisher:348) - Registered REST endpoint at /termination
2022-04-21T18:18:32,302 | INFO  | (ErrorResolutionWorkflowOperationHandler:78) - Registering retry strategy failover hold state ui from classpath /ui/operation/retry-strategy/index.html
2022-04-21T18:18:32,336 | INFO  | (RestPublisher:348) - Registered REST endpoint at /caption
2022-04-21T18:18:32,344 | INFO  | (JmxUtil:48) - Registering org.opencastproject.workingfilerepository.jmx.WorkingFileRepositoryBean with JMX
2022-04-21T18:18:32,354 | INFO  | (WorkingFileRepositoryImpl:198) - Usable space 20 Gb out of 372 Gb (6%)
2022-04-21T18:18:32,355 | INFO  | (WorkspaceImpl:886) - Mapping workspace to working file repository using /home/lars/dev/opencast/build/opencast-dist-admin/data/opencast/files
2022-04-21T18:18:32,355 | INFO  | (WorkspaceImpl:216) - CONFIG org.opencastproject.workspace.rootdir: /home/lars/dev/opencast/build/opencast-dist-admin/data/opencast/workspace
2022-04-21T18:18:32,357 | INFO  | (WorkspaceImpl:262) - Hard links between the working file repository and the workspace enabled
2022-04-21T18:18:32,357 | INFO  | (JmxUtil:48) - Registering org.opencastproject.workspace.impl.jmx.WorkspaceBean with JMX
2022-04-21T18:18:32,360 | WARN  | (RecursiveDirectoryCleaner:96) - Directory /home/lars/dev/opencast/build/opencast-dist-admin/data/opencast/files/mediapackage to cleanup is not existing
2022-04-21T18:18:32,360 | INFO  | (RecursiveDirectoryCleaner:106) - Starting cleanup for directory /home/lars/dev/opencast/build/opencast-dist-admin/data/opencast/workspace for entries older than 30 days
2022-04-21T18:18:32,360 | INFO  | (WaveformWorkflowOperationHandler:115) - Registering waveform workflow operation handler
2022-04-21T18:18:32,361 | INFO  | (RecursiveDirectoryCleaner:84) - Cleanup finished @/home/lars/dev/opencast/build/opencast-dist-admin/data/opencast/workspace
2022-04-21T18:18:32,368 | INFO  | (VideoEditorWorkflowOperationHandler:153) - Registering videoEditor hold state ui from classpath /ui/operation/editor/index.html
2022-04-21T18:18:32,374 | INFO  | (AwsAssetDatabaseImpl:59) - Activating AWS S3 archive
2022-04-21T18:18:32,375 | INFO  | (AwsS3AssetStore:137) - AWS S3 asset store is disabled
2022-04-21T18:18:32,391 | INFO  | (OsgiFileSystemAssetStore:95) - store.type is: local-filesystem
2022-04-21T18:18:32,392 | INFO  | (OsgiFileSystemAssetStore:106) - Start asset manager files system store at /home/lars/dev/opencast/build/opencast-dist-admin/data/opencast/archive
2022-04-21T18:18:32,399 | INFO  | (LoadUtil:73) - No job load configuration found for key job.load.caption, load to default of 0.1
2022-04-21T18:18:32,445 | INFO  | (AssetManagerImpl:204) - Activating AssetManager.
2022-04-21T18:18:32,446 | INFO  | (AssetManagerJobProducer:99) - Activating assetmanager job service
2022-04-21T18:18:32,452 | INFO  | (TimedMediaArchiver:118) - [>0252c1e9] Timed media offload enabled: false
2022-04-21T18:18:32,488 | INFO  | (RestPublisher:348) - Registered REST endpoint at /assets
2022-04-21T18:18:32,489 | INFO  | (IndexRebuildService:211) - Service AssetManager added.
2022-04-21T18:18:32,497 | INFO  | (OsgiAclServiceRestEndpoint:71) - Start ACL manager rest service
2022-04-21T18:18:32,529 | INFO  | (RestPublisher:348) - Registered REST endpoint at /acl-manager
2022-04-21T18:18:32,571 | INFO  | (SeriesServiceDatabaseImpl:112) - Activating persistence manager for series
2022-04-21T18:18:32,756 | WARN  | (SolrCore:389) - Solr index directory '/home/lars/dev/opencast/build/opencast-dist-admin/data/solr-indexes/series/data/index' doesn't exist. Creating new index...
2022-04-21T18:18:32,849 | INFO  | (SeriesServiceImpl:180) - Activating Series Service
2022-04-21T18:18:32,870 | INFO  | (SeriesServiceImpl:197) - The series index is empty. Populating it now with series
2022-04-21T18:18:32,961 | INFO  | (SeriesServiceImpl:206) - No series found. Repopulating index finished.
2022-04-21T18:18:32,962 | INFO  | (PresetsEndpoint:83) - Activate presets endpoint
2022-04-21T18:18:33,015 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/presets
2022-04-21T18:18:33,017 | INFO  | (IndexRebuildService:211) - Service Series added.
2022-04-21T18:18:33,033 | INFO  | (ThemesEndpoint:190) - Activate themes endpoint
2022-04-21T18:18:33,083 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/themes
2022-04-21T18:18:33,124 | INFO  | (RestPublisher:348) - Registered REST endpoint at /series
2022-04-21T18:18:33,133 | INFO  | (ScheduledDataCollector:122) - Activating adopter statistic scheduler.
2022-04-21T18:18:33,134 | INFO  | (ScheduledDataCollector:148) - Executing adopter statistic scheduler task.
2022-04-21T18:18:33,184 | INFO  | (SchedulerServiceImpl:378) - Activating Scheduler Service
2022-04-21T18:18:33,220 | INFO  | (RestPublisher:348) - Registered REST endpoint at /capture-admin
2022-04-21T18:18:33,221 | INFO  | (IndexRebuildService:211) - Service Scheduler added.
2022-04-21T18:18:33,225 | INFO  | (SchedulerServiceImpl:391) - Set last modified cache to default 1 minute
2022-04-21T18:18:33,232 | INFO  | (OaiPmhDatabaseImpl:82) - Activating persistence manager for OAI-PMH
2022-04-21T18:18:33,266 | INFO  | (RestPublisher:348) - Registered REST endpoint at /files
2022-04-21T18:18:33,271 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:776) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) ~[?:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) ~[?:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) ~[?:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) ~[?:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) ~[?:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) ~[?:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1271) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1222) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864) ~[?:?]
	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) ~[?:?]
	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) ~[?:?]
	at org.apache.felix.framework.Felix.registerService(Felix.java:3587) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:929) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:915) ~[?:?]
	at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:133) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:984) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:752) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:674) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:437) ~[?:?]
	at org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:667) ~[?:?]
	at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:305) ~[?:?]
	at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:554) ~[?:?]
	at org.apache.felix.scr.impl.Activator.access$200(Activator.java:70) ~[?:?]
	at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:421) ~[?:?]
	at org.apache.felix.scr.impl.AbstractExtender.createExtension(AbstractExtender.java:196) ~[?:?]
	at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:169) ~[?:?]
	at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:49) ~[?:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:482) ~[osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:415) ~[osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232) ~[osgi.core-6.0.0.jar:?]
	at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:444) ~[osgi.core-6.0.0.jar:?]
	at org.apache.felix.framework.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:915) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:834) ~[?:?]
	at org.apache.felix.framework.EventDispatcher.fireBundleEvent(EventDispatcher.java:516) ~[?:?]
	at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4579) ~[?:?]
	at org.apache.felix.framework.Felix.startBundle(Felix.java:2174) ~[?:?]
	at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[?:?]
	at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:984) ~[?:?]
	at org.apache.karaf.features.internal.service.BundleInstallSupportImpl.startBundle(BundleInstallSupportImpl.java:165) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1154) ~[?:?]
	at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:1044) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1063) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:998) ~[?:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 99 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 99 more
2022-04-21T18:18:33,306 | INFO  | (RestPublisher:348) - Registered REST endpoint at /info
2022-04-21T18:18:33,367 | INFO  | (RestPublisher:348) - Registered REST endpoint at /recordings
2022-04-21T18:18:33,374 | INFO  | (AbstractScanner:133) - Cleanup Finished Scheduled Events Scanner is disabled
2022-04-21T18:18:33,419 | WARN  | (SolrCore:389) - Solr index directory '/home/lars/dev/opencast/build/opencast-dist-admin/data/solr-indexes/workflow/data/index' doesn't exist. Creating new index...
2022-04-21T18:18:33,427 | INFO  | (WorkflowServiceSolrIndex:295) - The workflow index is empty, looking for workflows to index
2022-04-21T18:18:33,429 | INFO  | (WorkflowServiceSolrIndex:308) - No workflows found. Repopulating index finished.
2022-04-21T18:18:33,431 | INFO  | (WorkflowServiceImpl:292) - [>0252c1e9] Generating JMX workflow statistics
2022-04-21T18:18:33,452 | INFO  | (JmxUtil:48) - Registering org.opencastproject.workflow.impl.jmx.WorkflowsStatistics with JMX
2022-04-21T18:18:33,453 | INFO  | (WorkflowServiceImpl:298) - [>0252c1e9] Activate Workflow service
2022-04-21T18:18:33,453 | INFO  | (GoogleSpeechTranscriptionService:227) - Service disabled. If you want to enable it, please update the service configuration.
2022-04-21T18:18:33,488 | INFO  | (RestPublisher:348) - Registered REST endpoint at /transcripts/googlespeech
2022-04-21T18:18:33,492 | INFO  | (IndexRebuildService:211) - Service Workflow added.
2022-04-21T18:18:33,492 | INFO  | (IndexRebuildService:259) - Register IndexRebuildService.
2022-04-21T18:18:33,494 | INFO  | (IndexEndpoint:99) - Activate IndexEndpoint
2022-04-21T18:18:33,528 | INFO  | (RestPublisher:348) - Registered REST endpoint at /index
2022-04-21T18:18:33,531 | INFO  | (JobsListProvider:108) - Jobs list provider activated!
2022-04-21T18:18:33,532 | INFO  | (WorkflowsListProvider:59) - Workflow instances list provider activated!
2022-04-21T18:18:33,536 | INFO  | (AmberscriptTranscriptionService:183) - Amberscript Transcription Service disabled. If you want to enable it, please update the service configuration.
2022-04-21T18:18:33,580 | INFO  | (RestPublisher:348) - Registered REST endpoint at /transcripts/amberscript
2022-04-21T18:18:33,588 | INFO  | (IBMWatsonTranscriptionService:400) - Service disabled. If you want to enable it, please update the service configuration.
2022-04-21T18:18:33,622 | INFO  | (RestPublisher:348) - Registered REST endpoint at /transcripts/watson
2022-04-21T18:18:33,627 | INFO  | (TasksEndpoint:123) - Activate tasks endpoint
2022-04-21T18:18:33,662 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/tasks
2022-04-21T18:18:33,668 | INFO  | (OsgiIncidentService:117) - Activating persistence manager for job incidents
2022-04-21T18:18:33,810 | INFO  | (JobEndpoint:165) - Activate job endpoint
2022-04-21T18:18:33,855 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/job
2022-04-21T18:18:33,894 | INFO  | (RestPublisher:348) - Registered REST endpoint at /incidents
2022-04-21T18:18:33,898 | INFO  | (EmailTemplateServiceImpl:78) - EmailTemplateServiceImpl activated
2022-04-21T18:18:33,901 | INFO  | (WorkflowDefinitionsEndpoint:128) - Activating External API - Workflow Definitions Endpoint
2022-04-21T18:18:33,935 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api/workflow-definitions
2022-04-21T18:18:33,941 | INFO  | (WorkflowRestService:202) - configured server url is http://localhost:8080
2022-04-21T18:18:33,980 | INFO  | (RestPublisher:348) - Registered REST endpoint at /workflow
2022-04-21T18:18:33,984 | INFO  | (AbstractScanner:133) - Workflow Cleanup Scanner is disabled
2022-04-21T18:18:33,987 | INFO  | (SilenceDetectionWorkflowOperationHandler:288) - Registering silence detection workflow operation handler
2022-04-21T18:18:33,990 | INFO  | (TimelinePreviewsWorkflowOperationHandler:111) - Registering timeline previews workflow operation handler
2022-04-21T18:18:34,058 | INFO  | (LiveScheduleServiceImpl:199) - Server url is http://localhost:8080
2022-04-21T18:18:34,058 | INFO  | (LiveScheduleServiceImpl:209) - Live streaming url not set in 'live.streamingUrl'. Streaming urls must be provided by capture agent properties.
2022-04-21T18:18:34,058 | INFO  | (LiveScheduleServiceImpl:252) - Configured live stream name: #{caName}/playlist.m3u8, mime type: application/x-mpegURL, resolution: 1920x540,960x270, target flavors: presenter/delivery, distribution service: download
2022-04-21T18:18:34,059 | INFO  | (UpdateHandler:42) - Activating org.opencastproject.liveschedule.message.AssetManagerUpdateHandler
2022-04-21T18:18:34,059 | INFO  | (LiveScheduleMessageReceiver:173) - Adding live schedule message handler for ASSETMANAGER.Liveschedule
2022-04-21T18:18:34,060 | INFO  | (LiveScheduleMessageReceiver:79) - Activating org.opencastproject.liveschedule.message.LiveScheduleMessageReceiver
2022-04-21T18:18:34,060 | INFO  | (LiveScheduleMessageReceiver$MessageWatcher:111) - Starting to listen for ASSETMANAGER.Liveschedule update messages
2022-04-21T18:18:34,063 | INFO  | (UpdateHandler:42) - Activating org.opencastproject.liveschedule.message.SchedulerUpdateHandler
2022-04-21T18:18:34,063 | INFO  | (LiveScheduleMessageReceiver:173) - Adding live schedule message handler for SCHEDULER.Liveschedule
2022-04-21T18:18:34,064 | INFO  | (LiveScheduleMessageReceiver$MessageWatcher:111) - Starting to listen for SCHEDULER.Liveschedule update messages
2022-04-21T18:18:34,073 | INFO  | (TextAnalysisWorkflowOperationHandler:522) - Using the default value of 5 frames for the videosegmenter stability threshold
2022-04-21T18:18:34,080 | INFO  | (AnimateWorkflowOperationHandler:109) - Registering animate workflow operation handler
2022-04-21T18:18:34,099 | INFO  | (IngestServiceImpl:355) - Ingest Service started.
2022-04-21T18:18:34,100 | INFO  | (JmxUtil:48) - Registering org.opencastproject.ingest.impl.jmx.IngestStatistics with JMX
2022-04-21T18:18:34,104 | INFO  | (StatisticsExportServiceImpl:143) - Activating Statistics Service
2022-04-21T18:18:34,107 | INFO  | (GroupsEndpoint:166) - Activate the Admin ui - Groups facade endpoint
2022-04-21T18:18:34,157 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/groups
2022-04-21T18:18:34,162 | INFO  | (SeriesEndpoint:267) - Configuration updated
2022-04-21T18:18:34,162 | INFO  | (SeriesEndpoint:245) - Activate series endpoint
2022-04-21T18:18:34,163 | INFO  | (ListProvidersEndpoint:109) - Activate list provider service
2022-04-21T18:18:34,200 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/resources
2022-04-21T18:18:34,208 | INFO  | (OsgiEventEndpoint:268) - Configuration updated
2022-04-21T18:18:34,249 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/event
2022-04-21T18:18:34,288 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/series
2022-04-21T18:18:34,332 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/statistics
2022-04-21T18:18:34,339 | INFO  | (ToolsEndpoint:312) - Configuration updated
2022-04-21T18:18:34,379 | INFO  | (RestPublisher:348) - Registered REST endpoint at /admin-ng/tools
2022-04-21T18:18:34,384 | INFO  | (SeriesEndpoint:187) - Activating External API - Series Endpoint
2022-04-21T18:18:34,424 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api/series
2022-04-21T18:18:34,427 | INFO  | (StatisticsEndpoint:138) - Activating External API - Statistics Endpoint
2022-04-21T18:18:34,476 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api/statistics
2022-04-21T18:18:34,479 | INFO  | (WorkflowsEndpoint:156) - Activating External API - Workflow Instances Endpoint
2022-04-21T18:18:34,518 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api/workflows
2022-04-21T18:18:34,519 | INFO  | (LoadUtil:73) - No job load configuration found for key job.load.ingest.file, load to default of 0.2
2022-04-21T18:18:34,520 | INFO  | (LoadUtil:73) - No job load configuration found for key job.load.ingest.zip, load to default of 0.2
2022-04-21T18:18:34,521 | INFO  | (IngestServiceImpl:405) - Only allow new flavored catalogs and attachments on ingest:'true'
2022-04-21T18:18:34,521 | INFO  | (IngestServiceImpl:406) - Allowing series modification:'false'
2022-04-21T18:18:34,563 | INFO  | (RestPublisher:348) - Registered REST endpoint at /ingest
2022-04-21T18:18:34,570 | INFO  | (InMemoryUserAndRoleProvider:243) - Added system digest user 'opencast_system_account' for organization 'mh_default_org'
2022-04-21T18:18:34,573 | INFO  | (FileUploadServiceImpl:117) - Chunk file upload directory set to /home/lars/dev/opencast/build/opencast-dist-admin/data/tmp/fileupload.
2022-04-21T18:18:34,578 | INFO  | (InboxScannerService:227) - Now watching inbox /home/lars/dev/opencast/build/opencast-dist-admin/data/inbox
2022-04-21T18:18:34,594 | INFO  | (FileUploadServiceImpl:129) - File Upload Service activated.
2022-04-21T18:18:34,595 | INFO  | (FileUploadRestService:122) - File Upload REST Endpoint activated
2022-04-21T18:18:34,595 | INFO  | (FileUploadServiceImpl:153) - Configuration updated. Jobs older than 6 hours are deleted.
2022-04-21T18:18:34,595 | INFO  | (FileUploadServiceCleaner$Runner:120) - Start file upload service cleaner
2022-04-21T18:18:34,595 | INFO  | (FileUploadServiceCleaner$Runner:126) - Finished file upload service cleaner
2022-04-21T18:18:34,639 | INFO  | (RestPublisher:348) - Registered REST endpoint at /upload
2022-04-21T18:18:34,684 | INFO  | (RestPublisher:348) - Registered REST endpoint at /lti-service-gui
2022-04-21T18:18:34,725 | INFO  | (RestPublisher:348) - Registered REST endpoint at /lti-service
2022-04-21T18:18:34,737 | INFO  | (SpeechToTextWorkflowOperationHandler:103) - Registering speech-to-text workflow operation handler
2022-04-21T18:18:34,771 | INFO  | (RestPublisher:348) - Registered REST endpoint at /signing
2022-04-21T18:18:34,779 | INFO  | (EventsEndpoint:333) - Activating External API - Events Endpoint
2022-04-21T18:18:34,816 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api/events
2022-04-21T18:18:34,818 | INFO  | (SecurityEndpoint:105) - Activating External API - Security Endpoint
2022-04-21T18:18:34,821 | INFO  | (SecurityEndpoint:123) - The property url.signing.expires.seconds has not been configured, so the default is being used to expire signed URLs in 2 hours.
2022-04-21T18:18:34,857 | INFO  | (RestPublisher:348) - Registered REST endpoint at /api/security
2022-04-21T18:18:34,862 | INFO  | (ChainingMediaPackageSerializer:81) - MediaPackageSerializer 'URL Signing MediaPackage Serializer' with ranking -1000 added to serializer chain.
2022-04-21T18:18:34,917 | INFO  | (RestPublisher:348) - Registered REST endpoint at /editor
2022-04-21T18:19:31,589 | INFO  | (IngestServiceImpl:634) - Created mediapackage 667ab9d2-994d-4b52-b4e7-949289c0f8e2
2022-04-21T18:19:31,657 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 9631d96a-6ae3-42bd-96b8-b045d35f1662 from input stream on mediapackage 667ab9d2-994d-4b52-b4e7-949289c0f8e2
2022-04-21T18:19:31,662 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 667ab9d2-994d-4b52-b4e7-949289c0f8e2
2022-04-21T18:19:31,667 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 9631d96a-6ae3-42bd-96b8-b045d35f1662 on mediapackage 667ab9d2-994d-4b52-b4e7-949289c0f8e2 at URL http://localhost:8080/files/mediapackage/667ab9d2-994d-4b52-b4e7-949289c0f8e2/9631d96a-6ae3-42bd-96b8-b045d35f1662/episode_security.xml
2022-04-21T18:19:31,703 | INFO  | (IngestServiceImpl:693) - Start adding track 2efa16eb-7c2a-456c-b64e-8d53e76c7562 from URL https://www.pexels.com/video/854982/download/ on mediapackage 667ab9d2-994d-4b52-b4e7-949289c0f8e2
2022-04-21T18:19:31,705 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:137) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:33,000 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 667ab9d2-994d-4b52-b4e7-949289c0f8e2
2022-04-21T18:19:33,003 | INFO  | (IngestServiceImpl:706) - Successful added track 2efa16eb-7c2a-456c-b64e-8d53e76c7562 on mediapackage 667ab9d2-994d-4b52-b4e7-949289c0f8e2 at URL http://localhost:8080/files/mediapackage/667ab9d2-994d-4b52-b4e7-949289c0f8e2/2efa16eb-7c2a-456c-b64e-8d53e76c7562/Video_Of_A_Tabby_Cat.mp4
2022-04-21T18:19:33,049 | INFO  | (IngestServiceImpl:956) - Start adding catalog 1c1af6e8-f541-4a5a-a8e4-60548a37cf17 from input stream on mediapackage ID-cats
2022-04-21T18:19:33,052 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-cats
2022-04-21T18:19:33,054 | INFO  | (IngestServiceImpl:995) - Successful added catalog 1c1af6e8-f541-4a5a-a8e4-60548a37cf17 on mediapackage ID-cats at URL http://localhost:8080/files/mediapackage/ID-cats/1c1af6e8-f541-4a5a-a8e4-60548a37cf17/dublincore.xml
2022-04-21T18:19:33,073 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-cats based on workflow definition 'fast'
2022-04-21T18:19:33,074 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-cats is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:33,163 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-cats
2022-04-21T18:19:33,446 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-cats' using the specified template 'fast'
2022-04-21T18:19:33,465 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-cats
2022-04-21T18:19:33,549 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-cats, 0 to ActiveMQ
2022-04-21T18:19:34,246 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:34,255 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:34,259 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:34,269 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:34,273 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:34,277 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:34,287 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:34,545 | INFO  | (IngestServiceImpl:634) - Created mediapackage c1cbcb71-9046-4780-94ab-3def82fdb49a
2022-04-21T18:19:34,563 | INFO  | (IngestServiceImpl:1054) - Start adding attachment add0b347-0608-4643-83ed-7b8162d63444 from input stream on mediapackage c1cbcb71-9046-4780-94ab-3def82fdb49a
2022-04-21T18:19:34,564 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage c1cbcb71-9046-4780-94ab-3def82fdb49a
2022-04-21T18:19:34,565 | INFO  | (IngestServiceImpl:1066) - Successful added attachment add0b347-0608-4643-83ed-7b8162d63444 on mediapackage c1cbcb71-9046-4780-94ab-3def82fdb49a at URL http://localhost:8080/files/mediapackage/c1cbcb71-9046-4780-94ab-3def82fdb49a/add0b347-0608-4643-83ed-7b8162d63444/episode_security.xml
2022-04-21T18:19:34,593 | INFO  | (IngestServiceImpl:693) - Start adding track 90bb566f-e0b9-49c6-ba7d-5ebe1a0895b1 from URL https://data.lkiesow.io/opencast/test-media/goat.mp4 on mediapackage c1cbcb71-9046-4780-94ab-3def82fdb49a
2022-04-21T18:19:34,593 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:35,096 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage c1cbcb71-9046-4780-94ab-3def82fdb49a
2022-04-21T18:19:35,099 | INFO  | (IngestServiceImpl:706) - Successful added track 90bb566f-e0b9-49c6-ba7d-5ebe1a0895b1 on mediapackage c1cbcb71-9046-4780-94ab-3def82fdb49a at URL http://localhost:8080/files/mediapackage/c1cbcb71-9046-4780-94ab-3def82fdb49a/90bb566f-e0b9-49c6-ba7d-5ebe1a0895b1/goat.mp4
2022-04-21T18:19:35,141 | INFO  | (IngestServiceImpl:956) - Start adding catalog f9558d3f-445e-4be9-8563-03c4a9fa92a8 from input stream on mediapackage ID-goat
2022-04-21T18:19:35,142 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-goat
2022-04-21T18:19:35,143 | INFO  | (IngestServiceImpl:995) - Successful added catalog f9558d3f-445e-4be9-8563-03c4a9fa92a8 on mediapackage ID-goat at URL http://localhost:8080/files/mediapackage/ID-goat/f9558d3f-445e-4be9-8563-03c4a9fa92a8/dublincore.xml
2022-04-21T18:19:35,155 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-goat based on workflow definition 'fast'
2022-04-21T18:19:35,155 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-goat is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:35,156 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-goat
2022-04-21T18:19:35,158 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-goat' using the specified template 'fast'
2022-04-21T18:19:35,166 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-goat
2022-04-21T18:19:35,192 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-goat, 0 to ActiveMQ
2022-04-21T18:19:35,846 | INFO  | (IngestServiceImpl:634) - Created mediapackage 101ad312-4841-4688-aad5-8fc00efbf65f
2022-04-21T18:19:35,860 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 52fa9b5a-fce7-4cb7-a078-a2e5a87d1961 from input stream on mediapackage 101ad312-4841-4688-aad5-8fc00efbf65f
2022-04-21T18:19:35,861 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 101ad312-4841-4688-aad5-8fc00efbf65f
2022-04-21T18:19:35,862 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 52fa9b5a-fce7-4cb7-a078-a2e5a87d1961 on mediapackage 101ad312-4841-4688-aad5-8fc00efbf65f at URL http://localhost:8080/files/mediapackage/101ad312-4841-4688-aad5-8fc00efbf65f/52fa9b5a-fce7-4cb7-a078-a2e5a87d1961/episode_security.xml
2022-04-21T18:19:35,889 | INFO  | (IngestServiceImpl:693) - Start adding track c9934f16-60a9-4989-8f41-1600b43b68f5 from URL https://data.lkiesow.io/opencast/test-media/3d-print.mp4 on mediapackage 101ad312-4841-4688-aad5-8fc00efbf65f
2022-04-21T18:19:35,890 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:36,357 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:36,359 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:36,361 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:36,357 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:36,362 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:36,372 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:36,365 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:36,419 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:36,426 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:36,431 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:36,417 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:36,437 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:36,438 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:36,452 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:37,258 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 101ad312-4841-4688-aad5-8fc00efbf65f
2022-04-21T18:19:37,260 | INFO  | (IngestServiceImpl:706) - Successful added track c9934f16-60a9-4989-8f41-1600b43b68f5 on mediapackage 101ad312-4841-4688-aad5-8fc00efbf65f at URL http://localhost:8080/files/mediapackage/101ad312-4841-4688-aad5-8fc00efbf65f/c9934f16-60a9-4989-8f41-1600b43b68f5/3d_print.mp4
2022-04-21T18:19:37,326 | INFO  | (IngestServiceImpl:956) - Start adding catalog 0d35606a-1a45-41ac-9791-7a2c6a8b07d7 from input stream on mediapackage ID-3d-print
2022-04-21T18:19:37,328 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-3d-print
2022-04-21T18:19:37,329 | INFO  | (IngestServiceImpl:995) - Successful added catalog 0d35606a-1a45-41ac-9791-7a2c6a8b07d7 on mediapackage ID-3d-print at URL http://localhost:8080/files/mediapackage/ID-3d-print/0d35606a-1a45-41ac-9791-7a2c6a8b07d7/dublincore.xml
2022-04-21T18:19:37,347 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-3d-print based on workflow definition 'fast'
2022-04-21T18:19:37,347 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-3d-print is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:37,348 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-3d-print
2022-04-21T18:19:37,354 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-3d-print' using the specified template 'fast'
2022-04-21T18:19:37,364 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-3d-print
2022-04-21T18:19:37,396 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-3d-print, 0 to ActiveMQ
2022-04-21T18:19:37,967 | INFO  | (IngestServiceImpl:634) - Created mediapackage 0aee5af6-7cf9-4307-889f-372877006c86
2022-04-21T18:19:37,978 | INFO  | (IngestServiceImpl:1054) - Start adding attachment a575b341-94fc-49b3-9268-a23bcfe7a5fc from input stream on mediapackage 0aee5af6-7cf9-4307-889f-372877006c86
2022-04-21T18:19:37,979 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 0aee5af6-7cf9-4307-889f-372877006c86
2022-04-21T18:19:37,980 | INFO  | (IngestServiceImpl:1066) - Successful added attachment a575b341-94fc-49b3-9268-a23bcfe7a5fc on mediapackage 0aee5af6-7cf9-4307-889f-372877006c86 at URL http://localhost:8080/files/mediapackage/0aee5af6-7cf9-4307-889f-372877006c86/a575b341-94fc-49b3-9268-a23bcfe7a5fc/episode_security.xml
2022-04-21T18:19:38,004 | INFO  | (IngestServiceImpl:693) - Start adding track 6ee3afd5-1783-4c4d-b3dd-eecf89b7ac49 from URL https://data.lkiesow.io/opencast/test-media/marguerite-1080.mp4 on mediapackage 0aee5af6-7cf9-4307-889f-372877006c86
2022-04-21T18:19:38,004 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:38,516 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,520 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,524 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,515 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:38,528 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:38,529 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:38,539 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:38,588 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,592 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,596 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,587 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:38,601 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:38,608 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:38,601 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:38,651 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,655 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,657 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:38,650 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:38,661 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:38,661 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:38,672 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:39,293 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 0aee5af6-7cf9-4307-889f-372877006c86
2022-04-21T18:19:39,295 | INFO  | (IngestServiceImpl:706) - Successful added track 6ee3afd5-1783-4c4d-b3dd-eecf89b7ac49 on mediapackage 0aee5af6-7cf9-4307-889f-372877006c86 at URL http://localhost:8080/files/mediapackage/0aee5af6-7cf9-4307-889f-372877006c86/6ee3afd5-1783-4c4d-b3dd-eecf89b7ac49/marguerite_1080.mp4
2022-04-21T18:19:39,341 | INFO  | (IngestServiceImpl:956) - Start adding catalog 86771339-476f-49bc-ae60-e8f05f8e9a40 from input stream on mediapackage ID-marguerite
2022-04-21T18:19:39,345 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-marguerite
2022-04-21T18:19:39,346 | INFO  | (IngestServiceImpl:995) - Successful added catalog 86771339-476f-49bc-ae60-e8f05f8e9a40 on mediapackage ID-marguerite at URL http://localhost:8080/files/mediapackage/ID-marguerite/86771339-476f-49bc-ae60-e8f05f8e9a40/dublincore.xml
2022-04-21T18:19:39,360 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-marguerite based on workflow definition 'fast'
2022-04-21T18:19:39,360 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-marguerite is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:39,361 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-marguerite
2022-04-21T18:19:39,364 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-marguerite' using the specified template 'fast'
2022-04-21T18:19:39,374 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-marguerite
2022-04-21T18:19:39,407 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-marguerite, 0 to ActiveMQ
2022-04-21T18:19:39,936 | INFO  | (IngestServiceImpl:634) - Created mediapackage 45659bba-167d-4d62-baf0-b824038734c4
2022-04-21T18:19:39,949 | INFO  | (IngestServiceImpl:1054) - Start adding attachment ccc12b60-1ec1-4e86-aa47-abb4b7cd66cc from input stream on mediapackage 45659bba-167d-4d62-baf0-b824038734c4
2022-04-21T18:19:39,950 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 45659bba-167d-4d62-baf0-b824038734c4
2022-04-21T18:19:39,953 | INFO  | (IngestServiceImpl:1066) - Successful added attachment ccc12b60-1ec1-4e86-aa47-abb4b7cd66cc on mediapackage 45659bba-167d-4d62-baf0-b824038734c4 at URL http://localhost:8080/files/mediapackage/45659bba-167d-4d62-baf0-b824038734c4/ccc12b60-1ec1-4e86-aa47-abb4b7cd66cc/episode_security.xml
2022-04-21T18:19:39,972 | INFO  | (IngestServiceImpl:693) - Start adding track 9662d78d-680a-4a2f-90bd-c57205d45b1f from URL https://data.lkiesow.io/opencast/test-media/dog-rose-720.mp4 on mediapackage 45659bba-167d-4d62-baf0-b824038734c4
2022-04-21T18:19:39,973 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,419 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 45659bba-167d-4d62-baf0-b824038734c4
2022-04-21T18:19:40,420 | INFO  | (IngestServiceImpl:706) - Successful added track 9662d78d-680a-4a2f-90bd-c57205d45b1f on mediapackage 45659bba-167d-4d62-baf0-b824038734c4 at URL http://localhost:8080/files/mediapackage/45659bba-167d-4d62-baf0-b824038734c4/9662d78d-680a-4a2f-90bd-c57205d45b1f/dog_rose_720.mp4
2022-04-21T18:19:40,458 | INFO  | (IngestServiceImpl:956) - Start adding catalog c4722b9f-993b-4143-8ef6-aaffb8d31cb2 from input stream on mediapackage ID-dog-rose
2022-04-21T18:19:40,460 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-dog-rose
2022-04-21T18:19:40,462 | INFO  | (IngestServiceImpl:995) - Successful added catalog c4722b9f-993b-4143-8ef6-aaffb8d31cb2 on mediapackage ID-dog-rose at URL http://localhost:8080/files/mediapackage/ID-dog-rose/c4722b9f-993b-4143-8ef6-aaffb8d31cb2/dublincore.xml
2022-04-21T18:19:40,474 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-dog-rose based on workflow definition 'fast'
2022-04-21T18:19:40,474 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-dog-rose is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:40,475 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-dog-rose
2022-04-21T18:19:40,477 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-dog-rose' using the specified template 'fast'
2022-04-21T18:19:40,485 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-dog-rose
2022-04-21T18:19:40,507 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-dog-rose, 0 to ActiveMQ
2022-04-21T18:19:40,724 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,726 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,727 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,729 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,735 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:40,723 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:40,737 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,780 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,779 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:40,783 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,788 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,789 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,794 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,803 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:40,832 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,834 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,835 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,831 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:40,838 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,842 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:40,839 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,881 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,878 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:40,887 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,911 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:40,888 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,914 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:40,922 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:41,099 | INFO  | (IngestServiceImpl:634) - Created mediapackage 630783df-6e47-4490-8fb2-f6c3b275d748
2022-04-21T18:19:41,110 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 44357332-15c0-4c7a-b7ec-2d6d996a711c from input stream on mediapackage 630783df-6e47-4490-8fb2-f6c3b275d748
2022-04-21T18:19:41,111 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 630783df-6e47-4490-8fb2-f6c3b275d748
2022-04-21T18:19:41,111 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 44357332-15c0-4c7a-b7ec-2d6d996a711c on mediapackage 630783df-6e47-4490-8fb2-f6c3b275d748 at URL http://localhost:8080/files/mediapackage/630783df-6e47-4490-8fb2-f6c3b275d748/44357332-15c0-4c7a-b7ec-2d6d996a711c/episode_security.xml
2022-04-21T18:19:41,131 | INFO  | (IngestServiceImpl:693) - Start adding track 9bb7bc85-4da5-44c6-994d-b767b329ffa6 from URL https://data.lkiesow.io/opencast/test-media/westerberg.mp4 on mediapackage 630783df-6e47-4490-8fb2-f6c3b275d748
2022-04-21T18:19:41,131 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:41,447 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 630783df-6e47-4490-8fb2-f6c3b275d748
2022-04-21T18:19:41,449 | INFO  | (IngestServiceImpl:706) - Successful added track 9bb7bc85-4da5-44c6-994d-b767b329ffa6 on mediapackage 630783df-6e47-4490-8fb2-f6c3b275d748 at URL http://localhost:8080/files/mediapackage/630783df-6e47-4490-8fb2-f6c3b275d748/9bb7bc85-4da5-44c6-994d-b767b329ffa6/westerberg.mp4
2022-04-21T18:19:41,490 | INFO  | (IngestServiceImpl:956) - Start adding catalog 731f3aad-c217-4e67-8c84-1458b19cacbe from input stream on mediapackage ID-westerberg
2022-04-21T18:19:41,492 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-westerberg
2022-04-21T18:19:41,493 | INFO  | (IngestServiceImpl:995) - Successful added catalog 731f3aad-c217-4e67-8c84-1458b19cacbe on mediapackage ID-westerberg at URL http://localhost:8080/files/mediapackage/ID-westerberg/731f3aad-c217-4e67-8c84-1458b19cacbe/dublincore.xml
2022-04-21T18:19:41,506 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-westerberg based on workflow definition 'fast'
2022-04-21T18:19:41,507 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-westerberg is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:41,508 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-westerberg
2022-04-21T18:19:41,510 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-westerberg' using the specified template 'fast'
2022-04-21T18:19:41,522 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-westerberg
2022-04-21T18:19:41,544 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-westerberg, 0 to ActiveMQ
2022-04-21T18:19:42,085 | INFO  | (IngestServiceImpl:634) - Created mediapackage c590679d-fed7-449b-ad97-81fc1ffc60cd
2022-04-21T18:19:42,099 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 000cdd95-f91d-410e-acec-13a74f1d3608 from input stream on mediapackage c590679d-fed7-449b-ad97-81fc1ffc60cd
2022-04-21T18:19:42,101 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage c590679d-fed7-449b-ad97-81fc1ffc60cd
2022-04-21T18:19:42,101 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 000cdd95-f91d-410e-acec-13a74f1d3608 on mediapackage c590679d-fed7-449b-ad97-81fc1ffc60cd at URL http://localhost:8080/files/mediapackage/c590679d-fed7-449b-ad97-81fc1ffc60cd/000cdd95-f91d-410e-acec-13a74f1d3608/episode_security.xml
2022-04-21T18:19:42,123 | INFO  | (IngestServiceImpl:693) - Start adding track 886d7ada-e276-443e-a2f8-a726f555ba11 from URL https://upload.wikimedia.org/wikipedia/commons/3/3f/Coffee_Run_-_Blender_Open_Movie-full_movie.webm on mediapackage c590679d-fed7-449b-ad97-81fc1ffc60cd
2022-04-21T18:19:42,123 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:42,979 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:42,978 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:42,983 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:42,987 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:42,984 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:42,991 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,002 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:43,034 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,034 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:43,037 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,041 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,039 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,043 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,050 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:43,081 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,083 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,085 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,081 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:43,088 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,092 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:43,088 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,128 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,130 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,131 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,133 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,138 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:43,127 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:43,139 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,170 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,172 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,173 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,169 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:43,174 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,179 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:43,177 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,214 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,218 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,222 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:43,213 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 144 more
2022-04-21T18:19:43,227 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,228 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:43,236 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:43,368 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage c590679d-fed7-449b-ad97-81fc1ffc60cd
2022-04-21T18:19:43,370 | INFO  | (IngestServiceImpl:706) - Successful added track 886d7ada-e276-443e-a2f8-a726f555ba11 on mediapackage c590679d-fed7-449b-ad97-81fc1ffc60cd at URL http://localhost:8080/files/mediapackage/c590679d-fed7-449b-ad97-81fc1ffc60cd/886d7ada-e276-443e-a2f8-a726f555ba11/Coffee_Run___Blender_Open_Movie_full_movie.webm
2022-04-21T18:19:43,413 | INFO  | (IngestServiceImpl:956) - Start adding catalog b03cb648-81e3-4c2c-b8bc-9021168f67b3 from input stream on mediapackage ID-coffee-run
2022-04-21T18:19:43,415 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-coffee-run
2022-04-21T18:19:43,416 | INFO  | (IngestServiceImpl:995) - Successful added catalog b03cb648-81e3-4c2c-b8bc-9021168f67b3 on mediapackage ID-coffee-run at URL http://localhost:8080/files/mediapackage/ID-coffee-run/b03cb648-81e3-4c2c-b8bc-9021168f67b3/dublincore.xml
2022-04-21T18:19:43,425 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-coffee-run based on workflow definition 'fast'
2022-04-21T18:19:43,426 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-coffee-run is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:43,427 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-coffee-run
2022-04-21T18:19:43,430 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-coffee-run' using the specified template 'fast'
2022-04-21T18:19:43,439 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-coffee-run
2022-04-21T18:19:43,463 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-coffee-run, 0 to ActiveMQ
2022-04-21T18:19:43,982 | INFO  | (IngestServiceImpl:634) - Created mediapackage 56dab068-c9d9-455f-83e4-c992d1a68648
2022-04-21T18:19:43,993 | INFO  | (IngestServiceImpl:1054) - Start adding attachment ee580c3b-2127-4d92-b6c0-c570c05a59bb from input stream on mediapackage 56dab068-c9d9-455f-83e4-c992d1a68648
2022-04-21T18:19:43,994 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 56dab068-c9d9-455f-83e4-c992d1a68648
2022-04-21T18:19:43,995 | INFO  | (IngestServiceImpl:1066) - Successful added attachment ee580c3b-2127-4d92-b6c0-c570c05a59bb on mediapackage 56dab068-c9d9-455f-83e4-c992d1a68648 at URL http://localhost:8080/files/mediapackage/56dab068-c9d9-455f-83e4-c992d1a68648/ee580c3b-2127-4d92-b6c0-c570c05a59bb/episode_security.xml
2022-04-21T18:19:44,014 | INFO  | (IngestServiceImpl:693) - Start adding track 7425d75a-6c50-4fc7-ab78-a39c1b502ee5 from URL https://upload.wikimedia.org/wikipedia/commons/a/a5/Spring_-_Blender_Open_Movie.webm on mediapackage 56dab068-c9d9-455f-83e4-c992d1a68648
2022-04-21T18:19:44,015 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,281 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,285 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,280 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:45,288 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,292 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,290 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,303 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:45,333 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,336 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,338 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,333 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:45,341 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,351 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:45,346 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,380 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,383 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,379 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:45,385 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,388 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,389 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,398 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:45,427 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,430 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,426 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:45,433 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,437 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,434 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,444 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:45,475 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,481 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,485 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,474 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:45,490 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,490 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,508 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:45,535 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,535 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:45,540 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,543 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,540 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,546 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,555 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:45,583 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,587 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,583 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:45,590 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:45,594 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,595 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:45,604 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:46,999 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 56dab068-c9d9-455f-83e4-c992d1a68648
2022-04-21T18:19:47,001 | INFO  | (IngestServiceImpl:706) - Successful added track 7425d75a-6c50-4fc7-ab78-a39c1b502ee5 on mediapackage 56dab068-c9d9-455f-83e4-c992d1a68648 at URL http://localhost:8080/files/mediapackage/56dab068-c9d9-455f-83e4-c992d1a68648/7425d75a-6c50-4fc7-ab78-a39c1b502ee5/Spring___Blender_Open_Movie.webm
2022-04-21T18:19:47,069 | INFO  | (IngestServiceImpl:956) - Start adding catalog b288c556-2100-4b90-8135-306b4e8c475a from input stream on mediapackage ID-spring
2022-04-21T18:19:47,072 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-spring
2022-04-21T18:19:47,073 | INFO  | (IngestServiceImpl:995) - Successful added catalog b288c556-2100-4b90-8135-306b4e8c475a on mediapackage ID-spring at URL http://localhost:8080/files/mediapackage/ID-spring/b288c556-2100-4b90-8135-306b4e8c475a/dublincore.xml
2022-04-21T18:19:47,087 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-spring based on workflow definition 'fast'
2022-04-21T18:19:47,087 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-spring is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:47,089 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-spring
2022-04-21T18:19:47,092 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-spring' using the specified template 'fast'
2022-04-21T18:19:47,105 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-spring
2022-04-21T18:19:47,139 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-spring, 0 to ActiveMQ
2022-04-21T18:19:47,643 | INFO  | (IngestServiceImpl:634) - Created mediapackage 35bb8cda-ec50-4224-bba1-6557305b3724
2022-04-21T18:19:47,647 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,650 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,652 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,655 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 5b6e808c-aafc-45fb-acdd-4c2c26b19b46 from input stream on mediapackage 35bb8cda-ec50-4224-bba1-6557305b3724
2022-04-21T18:19:47,656 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 35bb8cda-ec50-4224-bba1-6557305b3724
2022-04-21T18:19:47,657 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 5b6e808c-aafc-45fb-acdd-4c2c26b19b46 on mediapackage 35bb8cda-ec50-4224-bba1-6557305b3724 at URL http://localhost:8080/files/mediapackage/35bb8cda-ec50-4224-bba1-6557305b3724/5b6e808c-aafc-45fb-acdd-4c2c26b19b46/episode_security.xml
2022-04-21T18:19:47,646 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:47,654 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,661 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:47,658 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,682 | INFO  | (IngestServiceImpl:693) - Start adding track 61fd00f9-076e-4f05-bc05-2dcfb30a7bcf from URL https://upload.wikimedia.org/wikipedia/commons/0/00/NASA%27s_new_High_Dynamic_Range_Camera_Records_Rocket_Test.webm on mediapackage 35bb8cda-ec50-4224-bba1-6557305b3724
2022-04-21T18:19:47,682 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,695 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,697 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,698 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,700 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,705 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:47,695 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:47,707 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,735 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,737 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,735 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:47,739 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,741 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,742 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,746 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:47,781 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,784 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,786 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,780 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:47,789 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,799 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:47,794 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,832 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,834 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,835 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,837 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,831 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:47,842 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:47,842 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,877 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,881 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,877 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:47,886 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,892 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,890 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,903 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:47,939 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,941 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,943 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,944 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,950 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:47,938 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:47,952 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,984 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,984 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:47,990 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,995 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:47,991 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:47,999 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:48,010 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:48,601 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 35bb8cda-ec50-4224-bba1-6557305b3724
2022-04-21T18:19:48,603 | INFO  | (IngestServiceImpl:706) - Successful added track 61fd00f9-076e-4f05-bc05-2dcfb30a7bcf on mediapackage 35bb8cda-ec50-4224-bba1-6557305b3724 at URL http://localhost:8080/files/mediapackage/35bb8cda-ec50-4224-bba1-6557305b3724/61fd00f9-076e-4f05-bc05-2dcfb30a7bcf/NASA_s_new_High_Dynamic_Range_Camera_Records_Rocket_Test.webm
2022-04-21T18:19:48,645 | INFO  | (IngestServiceImpl:956) - Start adding catalog 6ba83e28-f76c-4eea-9f60-252d3658a94c from input stream on mediapackage ID-nasa-rocket-booster
2022-04-21T18:19:48,646 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-nasa-rocket-booster
2022-04-21T18:19:48,647 | INFO  | (IngestServiceImpl:995) - Successful added catalog 6ba83e28-f76c-4eea-9f60-252d3658a94c on mediapackage ID-nasa-rocket-booster at URL http://localhost:8080/files/mediapackage/ID-nasa-rocket-booster/6ba83e28-f76c-4eea-9f60-252d3658a94c/dublincore.xml
2022-04-21T18:19:48,657 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-nasa-rocket-booster based on workflow definition 'fast'
2022-04-21T18:19:48,657 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-nasa-rocket-booster is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:48,658 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-nasa-rocket-booster
2022-04-21T18:19:48,659 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-nasa-rocket-booster' using the specified template 'fast'
2022-04-21T18:19:48,665 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-nasa-rocket-booster
2022-04-21T18:19:48,684 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-nasa-rocket-booster, 0 to ActiveMQ
2022-04-21T18:19:49,277 | INFO  | (IngestServiceImpl:634) - Created mediapackage 1df0b6df-6873-4099-b8cd-f7bbbaec66fc
2022-04-21T18:19:49,288 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 15df1eb9-5c4c-4e8f-9b84-29fabda6c6ad from input stream on mediapackage 1df0b6df-6873-4099-b8cd-f7bbbaec66fc
2022-04-21T18:19:49,289 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 1df0b6df-6873-4099-b8cd-f7bbbaec66fc
2022-04-21T18:19:49,290 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 15df1eb9-5c4c-4e8f-9b84-29fabda6c6ad on mediapackage 1df0b6df-6873-4099-b8cd-f7bbbaec66fc at URL http://localhost:8080/files/mediapackage/1df0b6df-6873-4099-b8cd-f7bbbaec66fc/15df1eb9-5c4c-4e8f-9b84-29fabda6c6ad/episode_security.xml
2022-04-21T18:19:49,307 | INFO  | (IngestServiceImpl:693) - Start adding track 59c2d321-7525-465d-8d09-5f402443a7c8 from URL https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a7/View_of_Planet_Earth_%284K%29.webm/View_of_Planet_Earth_%284K%29.webm.360p.vp9.webm on mediapackage 1df0b6df-6873-4099-b8cd-f7bbbaec66fc
2022-04-21T18:19:49,308 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:49,650 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 1df0b6df-6873-4099-b8cd-f7bbbaec66fc
2022-04-21T18:19:49,653 | INFO  | (IngestServiceImpl:706) - Successful added track 59c2d321-7525-465d-8d09-5f402443a7c8 on mediapackage 1df0b6df-6873-4099-b8cd-f7bbbaec66fc at URL http://localhost:8080/files/mediapackage/1df0b6df-6873-4099-b8cd-f7bbbaec66fc/59c2d321-7525-465d-8d09-5f402443a7c8/View_of_Planet_Earth__4K__webm_360p_vp9.webm
2022-04-21T18:19:49,683 | INFO  | (IngestServiceImpl:956) - Start adding catalog b094c7c6-cddb-4107-9c5f-a39208019b6b from input stream on mediapackage ID-nasa-earth-4k
2022-04-21T18:19:49,685 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-nasa-earth-4k
2022-04-21T18:19:49,687 | INFO  | (IngestServiceImpl:995) - Successful added catalog b094c7c6-cddb-4107-9c5f-a39208019b6b on mediapackage ID-nasa-earth-4k at URL http://localhost:8080/files/mediapackage/ID-nasa-earth-4k/b094c7c6-cddb-4107-9c5f-a39208019b6b/dublincore.xml
2022-04-21T18:19:49,695 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-nasa-earth-4k based on workflow definition 'fast'
2022-04-21T18:19:49,696 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-nasa-earth-4k is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:49,696 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-nasa-earth-4k
2022-04-21T18:19:49,697 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-nasa-earth-4k' using the specified template 'fast'
2022-04-21T18:19:49,704 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-nasa-earth-4k
2022-04-21T18:19:49,732 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-nasa-earth-4k, 0 to ActiveMQ
2022-04-21T18:19:50,077 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,083 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,076 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,089 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,095 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,096 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,111 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,153 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,157 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,159 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,153 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,162 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,163 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,170 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,211 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,214 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,211 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,219 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,220 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,224 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,235 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,268 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,272 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,275 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,267 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,280 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,282 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,292 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,300 | INFO  | (IngestServiceImpl:634) - Created mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6
2022-04-21T18:19:50,312 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 405fea01-402b-40a3-90fa-8bc38fbca749 from input stream on mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6
2022-04-21T18:19:50,313 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6
2022-04-21T18:19:50,314 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 405fea01-402b-40a3-90fa-8bc38fbca749 on mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6 at URL http://localhost:8080/files/mediapackage/6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6/405fea01-402b-40a3-90fa-8bc38fbca749/episode_security.xml
2022-04-21T18:19:50,329 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,331 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,333 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,335 | INFO  | (IngestServiceImpl:693) - Start adding track 0306e2e3-baf8-4be4-a027-b6aeb1cf0105 from URL https://data.lkiesow.io/opencast/test-media/dualstream-presenter.mp4 on mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6
2022-04-21T18:19:50,335 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,329 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,335 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,341 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,339 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,377 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,381 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,383 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,376 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,385 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,391 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,389 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,423 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,428 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,432 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,423 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,440 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,440 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,445 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,481 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,485 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,481 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,488 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,490 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,492 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,501 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,531 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,536 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,539 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:50,531 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:50,541 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:50,550 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:50,547 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:51,028 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6
2022-04-21T18:19:51,030 | INFO  | (IngestServiceImpl:706) - Successful added track 0306e2e3-baf8-4be4-a027-b6aeb1cf0105 on mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6 at URL http://localhost:8080/files/mediapackage/6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6/0306e2e3-baf8-4be4-a027-b6aeb1cf0105/dualstream_presenter.mp4
2022-04-21T18:19:51,063 | INFO  | (IngestServiceImpl:693) - Start adding track 901557ff-e8f1-4823-9f5e-8f84f1e797c5 from URL https://data.lkiesow.io/opencast/test-media/dualstream-presentation.mp4 on mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6
2022-04-21T18:19:51,063 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:51,406 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6
2022-04-21T18:19:51,407 | INFO  | (IngestServiceImpl:706) - Successful added track 901557ff-e8f1-4823-9f5e-8f84f1e797c5 on mediapackage 6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6 at URL http://localhost:8080/files/mediapackage/6aa81982-ef7f-4d27-a2cb-c4923c6bdfe6/901557ff-e8f1-4823-9f5e-8f84f1e797c5/dualstream_presentation.mp4
2022-04-21T18:19:51,445 | INFO  | (IngestServiceImpl:956) - Start adding catalog eaf8ee80-e05d-4f36-8425-23e3e38c95e1 from input stream on mediapackage ID-dual-stream-demo
2022-04-21T18:19:51,447 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-dual-stream-demo
2022-04-21T18:19:51,449 | INFO  | (IngestServiceImpl:995) - Successful added catalog eaf8ee80-e05d-4f36-8425-23e3e38c95e1 on mediapackage ID-dual-stream-demo at URL http://localhost:8080/files/mediapackage/ID-dual-stream-demo/eaf8ee80-e05d-4f36-8425-23e3e38c95e1/dublincore.xml
2022-04-21T18:19:51,460 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-dual-stream-demo based on workflow definition 'fast'
2022-04-21T18:19:51,460 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-dual-stream-demo is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:51,461 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-dual-stream-demo
2022-04-21T18:19:51,463 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-dual-stream-demo' using the specified template 'fast'
2022-04-21T18:19:51,470 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-dual-stream-demo
2022-04-21T18:19:51,492 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-dual-stream-demo, 0 to ActiveMQ
2022-04-21T18:19:51,955 | INFO  | (IngestServiceImpl:634) - Created mediapackage cf6aece2-c0fc-42a6-8f54-c36929a6006d
2022-04-21T18:19:51,965 | INFO  | (IngestServiceImpl:1054) - Start adding attachment ae0ec741-b865-4965-b7da-740dc1787b04 from input stream on mediapackage cf6aece2-c0fc-42a6-8f54-c36929a6006d
2022-04-21T18:19:51,966 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage cf6aece2-c0fc-42a6-8f54-c36929a6006d
2022-04-21T18:19:51,968 | INFO  | (IngestServiceImpl:1066) - Successful added attachment ae0ec741-b865-4965-b7da-740dc1787b04 on mediapackage cf6aece2-c0fc-42a6-8f54-c36929a6006d at URL http://localhost:8080/files/mediapackage/cf6aece2-c0fc-42a6-8f54-c36929a6006d/ae0ec741-b865-4965-b7da-740dc1787b04/episode_security.xml
2022-04-21T18:19:51,991 | INFO  | (IngestServiceImpl:693) - Start adding track 5c30de5c-e4d3-4057-aac7-3f989cbce153 from URL https://data.lkiesow.io/opencast/test-media/olaf-schulte-opencast.mp4 on mediapackage cf6aece2-c0fc-42a6-8f54-c36929a6006d
2022-04-21T18:19:51,991 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,609 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,611 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,612 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,614 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,609 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:52,622 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:52,621 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,652 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,654 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,651 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:52,656 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,656 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,658 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,663 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:52,694 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,693 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:52,698 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,698 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,701 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,705 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,714 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:52,750 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,749 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:52,754 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,757 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,756 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,760 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,770 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:52,800 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,804 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,800 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:52,807 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,807 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,810 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,819 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:52,850 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,853 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,855 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,850 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:52,858 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,857 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,863 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:52,895 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,895 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:52,899 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,899 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,902 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,905 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,913 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:52,943 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,943 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:52,948 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,950 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,953 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:52,958 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:52,971 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:53,003 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,002 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:53,006 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,010 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,009 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:53,013 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:53,022 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:53,046 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,049 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,050 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,046 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:53,053 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:53,053 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:53,058 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:53,085 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,089 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,085 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:53,092 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:53,094 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:53,095 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:53,103 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:54,475 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage cf6aece2-c0fc-42a6-8f54-c36929a6006d
2022-04-21T18:19:54,477 | INFO  | (IngestServiceImpl:706) - Successful added track 5c30de5c-e4d3-4057-aac7-3f989cbce153 on mediapackage cf6aece2-c0fc-42a6-8f54-c36929a6006d at URL http://localhost:8080/files/mediapackage/cf6aece2-c0fc-42a6-8f54-c36929a6006d/5c30de5c-e4d3-4057-aac7-3f989cbce153/olaf_schulte_opencast.mp4
2022-04-21T18:19:54,531 | INFO  | (IngestServiceImpl:956) - Start adding catalog 3ae5887f-8db2-416d-a49a-fac5c5cfc167 from input stream on mediapackage ID-about-opencast
2022-04-21T18:19:54,532 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-about-opencast
2022-04-21T18:19:54,532 | INFO  | (IngestServiceImpl:995) - Successful added catalog 3ae5887f-8db2-416d-a49a-fac5c5cfc167 on mediapackage ID-about-opencast at URL http://localhost:8080/files/mediapackage/ID-about-opencast/3ae5887f-8db2-416d-a49a-fac5c5cfc167/dublincore.xml
2022-04-21T18:19:54,542 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-about-opencast based on workflow definition 'fast'
2022-04-21T18:19:54,542 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-about-opencast is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:54,543 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-about-opencast
2022-04-21T18:19:54,545 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-about-opencast' using the specified template 'fast'
2022-04-21T18:19:54,552 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-about-opencast
2022-04-21T18:19:54,577 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-about-opencast, 0 to ActiveMQ
2022-04-21T18:19:55,077 | INFO  | (IngestServiceImpl:634) - Created mediapackage 5564d00a-9949-4763-8cfa-189c477b65aa
2022-04-21T18:19:55,090 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 8a742ce0-0f22-4ea7-9a7b-472cd2dec5cc from input stream on mediapackage 5564d00a-9949-4763-8cfa-189c477b65aa
2022-04-21T18:19:55,092 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 5564d00a-9949-4763-8cfa-189c477b65aa
2022-04-21T18:19:55,093 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 8a742ce0-0f22-4ea7-9a7b-472cd2dec5cc on mediapackage 5564d00a-9949-4763-8cfa-189c477b65aa at URL http://localhost:8080/files/mediapackage/5564d00a-9949-4763-8cfa-189c477b65aa/8a742ce0-0f22-4ea7-9a7b-472cd2dec5cc/episode_security.xml
2022-04-21T18:19:55,114 | INFO  | (IngestServiceImpl:693) - Start adding track fbc2a95e-0465-4e4b-9113-9fccd6095a34 from URL https://tib.flowcenter.de/mfc/medialink/3/de7c76884c990de1084fee40abf6d7fc950610346b64411a76d59f683bd103fc23/22599_C283.mp4 on mediapackage 5564d00a-9949-4763-8cfa-189c477b65aa
2022-04-21T18:19:55,114 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,149 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,148 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,153 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,157 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,156 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,160 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,169 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,199 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,203 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,198 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,206 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,208 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,209 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,216 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,272 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,274 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,275 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,276 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,280 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,272 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,286 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,310 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,312 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,313 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,310 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,315 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,315 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,320 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,342 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,344 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,345 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,342 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,347 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,351 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,348 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,376 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,378 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,380 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,375 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,381 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,387 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,382 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,411 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,412 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,414 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,411 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,415 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,421 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,417 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,446 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,448 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,450 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,446 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,453 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,461 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,457 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,493 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,498 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,502 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,493 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,507 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,512 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,507 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,538 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,540 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,538 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,542 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,543 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,544 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,548 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,575 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,576 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,578 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,574 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,579 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,583 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:55,580 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,609 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,611 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,609 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:55,613 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:55,614 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,615 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:55,621 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,527 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 5564d00a-9949-4763-8cfa-189c477b65aa
2022-04-21T18:19:57,528 | INFO  | (IngestServiceImpl:706) - Successful added track fbc2a95e-0465-4e4b-9113-9fccd6095a34 on mediapackage 5564d00a-9949-4763-8cfa-189c477b65aa at URL http://localhost:8080/files/mediapackage/5564d00a-9949-4763-8cfa-189c477b65aa/fbc2a95e-0465-4e4b-9113-9fccd6095a34/22599_C283.mp4
2022-04-21T18:19:57,586 | INFO  | (IngestServiceImpl:956) - Start adding catalog 2f3216c7-19e9-4f6f-a204-9dde024ef1e2 from input stream on mediapackage ID-weitsprung
2022-04-21T18:19:57,588 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-weitsprung
2022-04-21T18:19:57,590 | INFO  | (IngestServiceImpl:995) - Successful added catalog 2f3216c7-19e9-4f6f-a204-9dde024ef1e2 on mediapackage ID-weitsprung at URL http://localhost:8080/files/mediapackage/ID-weitsprung/2f3216c7-19e9-4f6f-a204-9dde024ef1e2/dublincore.xml
2022-04-21T18:19:57,600 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-weitsprung based on workflow definition 'fast'
2022-04-21T18:19:57,600 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-weitsprung is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:57,602 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-weitsprung
2022-04-21T18:19:57,604 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-weitsprung' using the specified template 'fast'
2022-04-21T18:19:57,611 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-weitsprung
2022-04-21T18:19:57,630 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-weitsprung, 0 to ActiveMQ
2022-04-21T18:19:57,660 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,663 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,664 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,660 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:57,666 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,667 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,672 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,694 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:57,695 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,700 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,702 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,705 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,709 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,699 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,737 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,739 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,740 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,742 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,746 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,736 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:57,747 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,777 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,779 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,781 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,777 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:57,783 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,789 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,783 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,818 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,821 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,822 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,817 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:57,824 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,829 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,828 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,854 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,853 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:57,858 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,861 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,860 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,865 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,875 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,904 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,904 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:57,907 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,908 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,911 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,914 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,924 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,955 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,957 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,954 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:57,959 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,959 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,960 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:57,965 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:57,998 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,999 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:57,998 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:58,001 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,003 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,004 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,010 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:58,040 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,042 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,039 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:58,044 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,045 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,046 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,051 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:58,076 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,075 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:58,079 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,081 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,080 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,084 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,091 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:58,114 | INFO  | (IngestServiceImpl:634) - Created mediapackage c9d9c664-36a0-4cf2-b4b0-ecc93be2de93
2022-04-21T18:19:58,114 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,116 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,118 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:19:58,113 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:19:58,120 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,125 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:19:58,121 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,126 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 565f9193-662e-4098-99a7-1d1930cbb4dc from input stream on mediapackage c9d9c664-36a0-4cf2-b4b0-ecc93be2de93
2022-04-21T18:19:58,127 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage c9d9c664-36a0-4cf2-b4b0-ecc93be2de93
2022-04-21T18:19:58,128 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 565f9193-662e-4098-99a7-1d1930cbb4dc on mediapackage c9d9c664-36a0-4cf2-b4b0-ecc93be2de93 at URL http://localhost:8080/files/mediapackage/c9d9c664-36a0-4cf2-b4b0-ecc93be2de93/565f9193-662e-4098-99a7-1d1930cbb4dc/episode_security.xml
2022-04-21T18:19:58,143 | INFO  | (IngestServiceImpl:693) - Start adding track 44ffd791-36f2-4c54-96e4-94a7ce43160a from URL https://tib.flowcenter.de/mfc/medialink/3/de2a46cbb86bc3b5933395197e8076295d8fa68480e56f05e3fb081eac51894832/WasistChaos_flash9.mp4 on mediapackage c9d9c664-36a0-4cf2-b4b0-ecc93be2de93
2022-04-21T18:19:58,144 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:19:58,958 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage c9d9c664-36a0-4cf2-b4b0-ecc93be2de93
2022-04-21T18:19:58,960 | INFO  | (IngestServiceImpl:706) - Successful added track 44ffd791-36f2-4c54-96e4-94a7ce43160a on mediapackage c9d9c664-36a0-4cf2-b4b0-ecc93be2de93 at URL http://localhost:8080/files/mediapackage/c9d9c664-36a0-4cf2-b4b0-ecc93be2de93/44ffd791-36f2-4c54-96e4-94a7ce43160a/WasistChaos_flash9.mp4
2022-04-21T18:19:58,998 | INFO  | (IngestServiceImpl:956) - Start adding catalog d1f01109-7b48-4353-aab8-e58f70ec5429 from input stream on mediapackage ID-was-ist-chaos
2022-04-21T18:19:59,000 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-was-ist-chaos
2022-04-21T18:19:59,001 | INFO  | (IngestServiceImpl:995) - Successful added catalog d1f01109-7b48-4353-aab8-e58f70ec5429 on mediapackage ID-was-ist-chaos at URL http://localhost:8080/files/mediapackage/ID-was-ist-chaos/d1f01109-7b48-4353-aab8-e58f70ec5429/dublincore.xml
2022-04-21T18:19:59,009 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-was-ist-chaos based on workflow definition 'fast'
2022-04-21T18:19:59,009 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-was-ist-chaos is processed using workflow template 'fast', specified during ingest
2022-04-21T18:19:59,009 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-was-ist-chaos
2022-04-21T18:19:59,011 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-was-ist-chaos' using the specified template 'fast'
2022-04-21T18:19:59,017 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-was-ist-chaos
2022-04-21T18:19:59,040 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-was-ist-chaos, 0 to ActiveMQ
2022-04-21T18:19:59,540 | INFO  | (IngestServiceImpl:634) - Created mediapackage a49a6db6-5540-4915-94e0-befe3be48210
2022-04-21T18:19:59,552 | INFO  | (IngestServiceImpl:1054) - Start adding attachment a203ca5d-7eb8-4b4f-b676-5db1363e516b from input stream on mediapackage a49a6db6-5540-4915-94e0-befe3be48210
2022-04-21T18:19:59,553 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage a49a6db6-5540-4915-94e0-befe3be48210
2022-04-21T18:19:59,554 | INFO  | (IngestServiceImpl:1066) - Successful added attachment a203ca5d-7eb8-4b4f-b676-5db1363e516b on mediapackage a49a6db6-5540-4915-94e0-befe3be48210 at URL http://localhost:8080/files/mediapackage/a49a6db6-5540-4915-94e0-befe3be48210/a203ca5d-7eb8-4b4f-b676-5db1363e516b/episode_security.xml
2022-04-21T18:19:59,575 | INFO  | (IngestServiceImpl:693) - Start adding track f5c34dcc-352b-417a-8416-220365f39dd4 from URL https://data.lkiesow.io/opencast/test-media/strong-river-flowing-down-the-green-forest.mp4 on mediapackage a49a6db6-5540-4915-94e0-befe3be48210
2022-04-21T18:19:59,576 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,169 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,169 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,173 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,176 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,175 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,180 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,191 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,218 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,218 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,222 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,226 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,225 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,229 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,238 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,269 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,273 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,276 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,268 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,279 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,285 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,280 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,310 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,312 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,314 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,309 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,316 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,316 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,322 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,347 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,349 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,351 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,347 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,353 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,353 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,358 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,385 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,387 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,388 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,385 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,389 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,390 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,390 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,419 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,421 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,423 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,419 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,427 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,426 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,435 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,458 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,460 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,458 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,462 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,463 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,464 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,468 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,490 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,492 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,490 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,494 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,496 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,497 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,502 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,526 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,528 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,526 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,530 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,531 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,532 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,537 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,563 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,565 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,567 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,563 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,569 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,575 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,572 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,601 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,601 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,604 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,607 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,605 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,608 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,614 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,642 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,646 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,650 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,642 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,653 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,654 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,660 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:00,689 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,689 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:00,692 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,693 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,695 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:00,698 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:00,707 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:02,766 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,768 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,769 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,770 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,766 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:02,774 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:02,774 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,804 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,803 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:02,807 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,808 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,808 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,810 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,814 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:02,840 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,840 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:02,842 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,846 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,845 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,847 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,853 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:02,876 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,879 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,881 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,876 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:02,882 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,883 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,888 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:02,912 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,915 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,916 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,912 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:02,919 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,924 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:02,920 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,948 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,950 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,952 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,947 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:02,954 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,955 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,960 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:02,981 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,983 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,985 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:02,986 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:02,991 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:02,981 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:02,994 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,014 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,016 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,018 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,014 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:03,020 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,026 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:03,025 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,052 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,055 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,052 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:03,057 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,058 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,060 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,066 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:03,087 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,089 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,091 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,092 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,096 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:03,087 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:03,097 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,124 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,126 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,127 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,123 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:03,128 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,137 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:03,133 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,166 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,168 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,170 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,165 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:03,172 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,176 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:03,175 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,210 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,212 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,213 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,209 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:03,215 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,224 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:03,219 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,250 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,252 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,254 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:03,255 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:03,259 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:03,250 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:03,262 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,310 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,313 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,317 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,309 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,320 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,329 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,322 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,353 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,355 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,356 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,358 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,362 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,353 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,365 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,388 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,389 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,392 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,394 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,397 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,400 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,411 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,436 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,438 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,439 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,436 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,441 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,444 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,442 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,469 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,471 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,473 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,474 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,478 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,469 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,481 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,502 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,505 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,507 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,502 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,510 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,516 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,514 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,542 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,544 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,541 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,546 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,548 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,554 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,548 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,579 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,579 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,584 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,585 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,589 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,595 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,613 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,639 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,642 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,639 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,644 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,646 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,645 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,652 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,686 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,691 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,685 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,694 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,697 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,697 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,707 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,737 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,742 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,745 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,737 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,748 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,749 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,759 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,787 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,791 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,794 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,787 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,797 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,805 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,799 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,831 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,831 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,834 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,836 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,835 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,839 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,845 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:05,874 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,874 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:05,878 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,879 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,881 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:05,885 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:05,900 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:07,949 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:07,952 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:07,954 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:07,955 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:07,960 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:07,949 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:07,962 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:07,990 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:07,994 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:07,996 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:07,990 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:07,999 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,010 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,002 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,040 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,044 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,045 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,047 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,052 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,040 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,055 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,079 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,082 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,084 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,079 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,087 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,095 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,088 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,123 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,126 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,123 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,128 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,129 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,130 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,135 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,164 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,168 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,172 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,163 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,175 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,182 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,176 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,216 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,220 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,223 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,215 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,228 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,228 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,243 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,273 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,277 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,273 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,279 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,280 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,282 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,291 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,322 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,325 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,322 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,328 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,328 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,330 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,338 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,370 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,373 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,369 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,375 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,376 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,378 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,386 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,418 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,421 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,424 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,417 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,427 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,426 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,436 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,463 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,466 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,462 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,468 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,470 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,471 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,479 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,510 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,514 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,510 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,517 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,520 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,518 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,528 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:08,552 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,556 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,560 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:08,551 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:08,564 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,565 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:08,575 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,621 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,625 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,620 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,629 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,631 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,637 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,630 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,669 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,671 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,673 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,669 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,676 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,681 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,680 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,710 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,713 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,715 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,710 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,718 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,722 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,719 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,749 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,752 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,749 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,755 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,756 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,758 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,765 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,790 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,792 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,790 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,794 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,795 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,796 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,802 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,828 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,828 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,833 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,834 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,838 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,842 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,854 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,880 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,882 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,884 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,879 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,887 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,893 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,891 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,918 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,921 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,924 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,917 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,926 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,932 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,928 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,956 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,958 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,960 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,955 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:10,962 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,967 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:10,965 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:10,992 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,996 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,998 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:10,992 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:11,001 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,010 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:11,002 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,044 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,043 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:11,046 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,049 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,048 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,051 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,056 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:11,080 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,081 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,082 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,080 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:11,084 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,088 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:11,085 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,113 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,116 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,118 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,119 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,125 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:11,113 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:11,126 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,152 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,151 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:11,155 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,156 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,158 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:11,161 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:11,169 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,204 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,207 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,209 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,204 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,210 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,217 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,216 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,248 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,253 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,248 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,258 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,261 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,261 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,272 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,296 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,298 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,300 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,301 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,307 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,296 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,309 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,329 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,331 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,332 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,333 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,337 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,329 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,340 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,361 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,363 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,364 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,365 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,368 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,361 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,374 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,392 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,394 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,396 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,398 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,403 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,392 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,404 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,428 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,432 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,435 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,428 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,438 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,446 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,444 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,469 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,471 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,468 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,473 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,474 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,476 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,480 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,499 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,501 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,503 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,499 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,505 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,509 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,506 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,528 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,530 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,531 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,528 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,532 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,537 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,533 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,565 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,567 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,568 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,565 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,570 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,574 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,570 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,598 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,600 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,602 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,605 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,609 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,598 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,612 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,631 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,633 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,634 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,636 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,640 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,631 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,644 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,665 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,667 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,670 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:13,665 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:13,672 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:13,678 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:13,677 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,724 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,727 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,729 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,723 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:15,731 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,739 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:15,735 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,763 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,764 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,765 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,766 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,770 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:15,762 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:15,775 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,797 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,799 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,800 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,801 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,807 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:15,797 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:15,807 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,829 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,831 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,833 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,835 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,840 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:15,828 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:15,840 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,866 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,870 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,866 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:15,873 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,875 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,876 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,884 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:15,914 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,917 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,914 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:15,921 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,923 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,924 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,932 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:15,958 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,961 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,963 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:15,957 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:15,966 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:15,976 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:15,966 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,011 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,014 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,017 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,010 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:16,020 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,027 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:16,022 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,052 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,053 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,055 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,057 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,061 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:16,051 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:16,063 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,089 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,093 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,088 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:16,097 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,099 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,101 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,112 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:16,139 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,142 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,144 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,138 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:16,145 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,150 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:16,149 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,174 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,178 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,180 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,174 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:16,182 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,191 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:16,184 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,210 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,212 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,213 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,214 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,218 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:16,210 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:16,221 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,239 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,241 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,243 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:16,239 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:16,245 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:16,250 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:16,249 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:17,495 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage a49a6db6-5540-4915-94e0-befe3be48210
2022-04-21T18:20:17,497 | INFO  | (IngestServiceImpl:706) - Successful added track f5c34dcc-352b-417a-8416-220365f39dd4 on mediapackage a49a6db6-5540-4915-94e0-befe3be48210 at URL http://localhost:8080/files/mediapackage/a49a6db6-5540-4915-94e0-befe3be48210/f5c34dcc-352b-417a-8416-220365f39dd4/strong_river_flowing_down_the_green_forest.mp4
2022-04-21T18:20:17,696 | INFO  | (IngestServiceImpl:956) - Start adding catalog 32cc2ae1-3e05-42b6-b19a-105fecf64244 from input stream on mediapackage ID-strong-river-flowing-down-the-green-forest
2022-04-21T18:20:17,698 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-strong-river-flowing-down-the-green-forest
2022-04-21T18:20:17,700 | INFO  | (IngestServiceImpl:995) - Successful added catalog 32cc2ae1-3e05-42b6-b19a-105fecf64244 on mediapackage ID-strong-river-flowing-down-the-green-forest at URL http://localhost:8080/files/mediapackage/ID-strong-river-flowing-down-the-green-forest/32cc2ae1-3e05-42b6-b19a-105fecf64244/dublincore.xml
2022-04-21T18:20:17,708 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-strong-river-flowing-down-the-green-forest based on workflow definition 'fast'
2022-04-21T18:20:17,708 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-strong-river-flowing-down-the-green-forest is processed using workflow template 'fast', specified during ingest
2022-04-21T18:20:17,709 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-strong-river-flowing-down-the-green-forest
2022-04-21T18:20:17,711 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-strong-river-flowing-down-the-green-forest' using the specified template 'fast'
2022-04-21T18:20:17,716 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-strong-river-flowing-down-the-green-forest
2022-04-21T18:20:17,735 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-strong-river-flowing-down-the-green-forest, 0 to ActiveMQ
2022-04-21T18:20:18,265 | INFO  | (IngestServiceImpl:634) - Created mediapackage 78d0aacc-e30a-447d-bea1-442e15100ee5
2022-04-21T18:20:18,277 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 443399c2-b15c-48f5-bcb6-8ddb8787c07d from input stream on mediapackage 78d0aacc-e30a-447d-bea1-442e15100ee5
2022-04-21T18:20:18,278 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 78d0aacc-e30a-447d-bea1-442e15100ee5
2022-04-21T18:20:18,279 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 443399c2-b15c-48f5-bcb6-8ddb8787c07d on mediapackage 78d0aacc-e30a-447d-bea1-442e15100ee5 at URL http://localhost:8080/files/mediapackage/78d0aacc-e30a-447d-bea1-442e15100ee5/443399c2-b15c-48f5-bcb6-8ddb8787c07d/episode_security.xml
2022-04-21T18:20:18,283 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,286 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,288 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,290 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,296 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,283 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,297 | INFO  | (IngestServiceImpl:693) - Start adding track f424220d-de5e-45fb-80a3-40fa06c12014 from URL https://mars.nasa.gov/multimedia/videos/movies/Perseverance_Arrives_at_Mars/Perseverance_Arrives_at_Mars-1920.mp4 on mediapackage 78d0aacc-e30a-447d-bea1-442e15100ee5
2022-04-21T18:20:18,297 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,297 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,320 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,322 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,324 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,325 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,329 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,320 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,334 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,358 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,358 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,363 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,366 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,368 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,373 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,382 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,411 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,416 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,419 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,411 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,424 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,424 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,433 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,457 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,460 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,463 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,457 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,465 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,473 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,470 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,495 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,498 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,500 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,494 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,503 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,511 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,505 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,536 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,539 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,535 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,543 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,545 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,546 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,555 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,589 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,591 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,593 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,589 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,595 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,600 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,598 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,625 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,626 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,627 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,628 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,632 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,625 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,633 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,661 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,666 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,660 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,670 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,672 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,673 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,681 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,708 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,710 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,708 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,712 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,713 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,714 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,721 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,744 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,743 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,749 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,749 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,754 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,757 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,769 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,793 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,796 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,798 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,792 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,800 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,805 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,802 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,823 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,824 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,825 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,827 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,830 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:18,823 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,832 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,853 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,857 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,860 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:18,852 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:18,865 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,863 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:18,874 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:20,913 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:20,916 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:20,918 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:20,912 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:20,921 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:20,930 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:20,926 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:20,959 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:20,961 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:20,962 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:20,963 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:20,967 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:20,959 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:20,970 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:20,995 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:20,997 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:20,994 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,000 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,000 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,003 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,014 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,044 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,044 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,049 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,050 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,054 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,059 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,072 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,098 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,101 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,103 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,098 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,107 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,106 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,113 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,132 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,133 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,135 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,132 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,136 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,141 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,139 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,163 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,164 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,165 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,162 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,167 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,171 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,168 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,193 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,193 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,196 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,200 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,199 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,204 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,213 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,241 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,243 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,241 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,244 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,245 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,246 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,250 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,270 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,272 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,274 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,269 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,275 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,279 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,276 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,298 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,299 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,301 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,298 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,302 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,307 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,306 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,336 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,340 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,335 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,343 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,344 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,345 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,355 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,382 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,381 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,385 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,387 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,390 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,393 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,398 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,421 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,420 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,425 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,425 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,428 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,430 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,435 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,462 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,464 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,466 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:21,462 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:21,468 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,473 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:21,468 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:21,957 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 78d0aacc-e30a-447d-bea1-442e15100ee5
2022-04-21T18:20:21,959 | INFO  | (IngestServiceImpl:706) - Successful added track f424220d-de5e-45fb-80a3-40fa06c12014 on mediapackage 78d0aacc-e30a-447d-bea1-442e15100ee5 at URL http://localhost:8080/files/mediapackage/78d0aacc-e30a-447d-bea1-442e15100ee5/f424220d-de5e-45fb-80a3-40fa06c12014/Perseverance_Arrives_at_Mars_1920.mp4
2022-04-21T18:20:22,014 | INFO  | (IngestServiceImpl:956) - Start adding catalog 7e7cec6e-c8f8-4d36-8703-566c6a77c3a9 from input stream on mediapackage ID-perseverance-arrives-at-mars
2022-04-21T18:20:22,015 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-perseverance-arrives-at-mars
2022-04-21T18:20:22,017 | INFO  | (IngestServiceImpl:995) - Successful added catalog 7e7cec6e-c8f8-4d36-8703-566c6a77c3a9 on mediapackage ID-perseverance-arrives-at-mars at URL http://localhost:8080/files/mediapackage/ID-perseverance-arrives-at-mars/7e7cec6e-c8f8-4d36-8703-566c6a77c3a9/dublincore.xml
2022-04-21T18:20:22,027 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-perseverance-arrives-at-mars based on workflow definition 'fast'
2022-04-21T18:20:22,027 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-perseverance-arrives-at-mars is processed using workflow template 'fast', specified during ingest
2022-04-21T18:20:22,028 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-perseverance-arrives-at-mars
2022-04-21T18:20:22,031 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-perseverance-arrives-at-mars' using the specified template 'fast'
2022-04-21T18:20:22,040 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-perseverance-arrives-at-mars
2022-04-21T18:20:22,074 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-perseverance-arrives-at-mars, 0 to ActiveMQ
2022-04-21T18:20:22,612 | INFO  | (IngestServiceImpl:634) - Created mediapackage 33a88775-23f8-4cc1-948f-2e9a0c6aa663
2022-04-21T18:20:22,621 | INFO  | (IngestServiceImpl:1054) - Start adding attachment e90e3df6-6bca-44e9-aac8-5e6ffdeb3aa4 from input stream on mediapackage 33a88775-23f8-4cc1-948f-2e9a0c6aa663
2022-04-21T18:20:22,622 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 33a88775-23f8-4cc1-948f-2e9a0c6aa663
2022-04-21T18:20:22,622 | INFO  | (IngestServiceImpl:1066) - Successful added attachment e90e3df6-6bca-44e9-aac8-5e6ffdeb3aa4 on mediapackage 33a88775-23f8-4cc1-948f-2e9a0c6aa663 at URL http://localhost:8080/files/mediapackage/33a88775-23f8-4cc1-948f-2e9a0c6aa663/e90e3df6-6bca-44e9-aac8-5e6ffdeb3aa4/episode_security.xml
2022-04-21T18:20:22,637 | INFO  | (IngestServiceImpl:693) - Start adding track 7e7dae38-ac6d-4f1a-a987-381f360c4ac4 from URL https://upload.wikimedia.org/wikipedia/commons/4/4e/Lavender_-_17156.webm on mediapackage 33a88775-23f8-4cc1-948f-2e9a0c6aa663
2022-04-21T18:20:22,638 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,324 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 33a88775-23f8-4cc1-948f-2e9a0c6aa663
2022-04-21T18:20:23,325 | INFO  | (IngestServiceImpl:706) - Successful added track 7e7dae38-ac6d-4f1a-a987-381f360c4ac4 on mediapackage 33a88775-23f8-4cc1-948f-2e9a0c6aa663 at URL http://localhost:8080/files/mediapackage/33a88775-23f8-4cc1-948f-2e9a0c6aa663/7e7dae38-ac6d-4f1a-a987-381f360c4ac4/Lavender___17156.webm
2022-04-21T18:20:23,351 | INFO  | (IngestServiceImpl:956) - Start adding catalog c592c4ea-6c5c-4625-b37f-7dc3d85b3b01 from input stream on mediapackage ID-lavender
2022-04-21T18:20:23,353 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-lavender
2022-04-21T18:20:23,355 | INFO  | (IngestServiceImpl:995) - Successful added catalog c592c4ea-6c5c-4625-b37f-7dc3d85b3b01 on mediapackage ID-lavender at URL http://localhost:8080/files/mediapackage/ID-lavender/c592c4ea-6c5c-4625-b37f-7dc3d85b3b01/dublincore.xml
2022-04-21T18:20:23,364 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-lavender based on workflow definition 'fast'
2022-04-21T18:20:23,364 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-lavender is processed using workflow template 'fast', specified during ingest
2022-04-21T18:20:23,365 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-lavender
2022-04-21T18:20:23,367 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-lavender' using the specified template 'fast'
2022-04-21T18:20:23,376 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-lavender
2022-04-21T18:20:23,403 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-lavender, 0 to ActiveMQ
2022-04-21T18:20:23,514 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,513 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,518 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,518 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,521 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,524 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,534 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,568 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,567 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,573 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,576 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,574 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,578 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,584 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,608 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,607 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,612 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,612 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,615 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,618 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,627 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,655 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,655 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,659 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,663 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,662 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,666 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,676 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,702 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,705 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,702 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,707 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,709 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,710 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,715 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,743 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,746 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,747 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,743 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,750 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,756 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,755 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,779 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,781 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,782 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,779 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,783 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,787 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,786 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,811 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,812 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,813 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,810 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,814 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,819 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,816 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,841 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,844 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,846 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,841 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,848 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,849 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,855 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,877 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,876 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,880 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,891 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,890 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,893 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,901 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,917 | INFO  | (IngestServiceImpl:634) - Created mediapackage bd5c059d-82e9-428f-b5ae-43f2e02ff62d
2022-04-21T18:20:23,926 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 1f4e1227-d43a-4b1a-89e1-4f7da80c3e22 from input stream on mediapackage bd5c059d-82e9-428f-b5ae-43f2e02ff62d
2022-04-21T18:20:23,926 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,927 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage bd5c059d-82e9-428f-b5ae-43f2e02ff62d
2022-04-21T18:20:23,928 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 1f4e1227-d43a-4b1a-89e1-4f7da80c3e22 on mediapackage bd5c059d-82e9-428f-b5ae-43f2e02ff62d at URL http://localhost:8080/files/mediapackage/bd5c059d-82e9-428f-b5ae-43f2e02ff62d/1f4e1227-d43a-4b1a-89e1-4f7da80c3e22/episode_security.xml
2022-04-21T18:20:23,927 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,929 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,930 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,934 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,926 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,937 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,945 | INFO  | (IngestServiceImpl:693) - Start adding track a29bc29c-2f8a-4485-9b4d-bd66f3219a61 from URL https://upload.wikimedia.org/wikipedia/commons/e/e2/1_DOF_Pendulum_with_spring-damper_Adams_simulation.mpg on mediapackage bd5c059d-82e9-428f-b5ae-43f2e02ff62d
2022-04-21T18:20:23,945 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,957 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,959 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,962 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,956 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,964 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,965 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:23,971 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:23,995 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:23,995 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:23,999 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,002 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,000 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:24,005 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:24,015 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:24,044 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,047 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,048 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,050 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:24,055 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:24,044 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:24,058 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:24,081 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,082 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,084 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,086 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:24,091 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:24,080 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:24,092 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:24,115 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,117 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,115 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:24,119 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:24,120 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:24,121 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:24,127 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:24,209 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage bd5c059d-82e9-428f-b5ae-43f2e02ff62d
2022-04-21T18:20:24,210 | INFO  | (IngestServiceImpl:706) - Successful added track a29bc29c-2f8a-4485-9b4d-bd66f3219a61 on mediapackage bd5c059d-82e9-428f-b5ae-43f2e02ff62d at URL http://localhost:8080/files/mediapackage/bd5c059d-82e9-428f-b5ae-43f2e02ff62d/a29bc29c-2f8a-4485-9b4d-bd66f3219a61/1_DOF_Pendulum_with_spring_damper_Adams_simulation.mpg
2022-04-21T18:20:24,240 | INFO  | (IngestServiceImpl:956) - Start adding catalog ae779e17-c2f6-4f12-88f4-41260e521e17 from input stream on mediapackage ID-pendulum-with-spring-damper
2022-04-21T18:20:24,242 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-pendulum-with-spring-damper
2022-04-21T18:20:24,244 | INFO  | (IngestServiceImpl:995) - Successful added catalog ae779e17-c2f6-4f12-88f4-41260e521e17 on mediapackage ID-pendulum-with-spring-damper at URL http://localhost:8080/files/mediapackage/ID-pendulum-with-spring-damper/ae779e17-c2f6-4f12-88f4-41260e521e17/dublincore.xml
2022-04-21T18:20:24,252 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-pendulum-with-spring-damper based on workflow definition 'fast'
2022-04-21T18:20:24,253 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-pendulum-with-spring-damper is processed using workflow template 'fast', specified during ingest
2022-04-21T18:20:24,254 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-pendulum-with-spring-damper
2022-04-21T18:20:24,256 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-pendulum-with-spring-damper' using the specified template 'fast'
2022-04-21T18:20:24,265 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-pendulum-with-spring-damper
2022-04-21T18:20:24,301 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-pendulum-with-spring-damper, 0 to ActiveMQ
2022-04-21T18:20:24,831 | INFO  | (IngestServiceImpl:634) - Created mediapackage 1f2b53c1-a798-45c4-8f37-b57c6c48f980
2022-04-21T18:20:24,841 | INFO  | (IngestServiceImpl:1054) - Start adding attachment 63428cb7-e89c-442c-943c-2956f064e185 from input stream on mediapackage 1f2b53c1-a798-45c4-8f37-b57c6c48f980
2022-04-21T18:20:24,842 | INFO  | (IngestServiceImpl:1682) - Adding element of type Attachment to mediapackage 1f2b53c1-a798-45c4-8f37-b57c6c48f980
2022-04-21T18:20:24,843 | INFO  | (IngestServiceImpl:1066) - Successful added attachment 63428cb7-e89c-442c-943c-2956f064e185 on mediapackage 1f2b53c1-a798-45c4-8f37-b57c6c48f980 at URL http://localhost:8080/files/mediapackage/1f2b53c1-a798-45c4-8f37-b57c6c48f980/63428cb7-e89c-442c-943c-2956f064e185/episode_security.xml
2022-04-21T18:20:24,861 | INFO  | (IngestServiceImpl:693) - Start adding track e090aff0-4a6c-4a32-9eac-de2fd10b35d5 from URL https://upload.wikimedia.org/wikipedia/commons/4/43/Espresso_video.ogv on mediapackage 1f2b53c1-a798-45c4-8f37-b57c6c48f980
2022-04-21T18:20:24,861 | WARN  | (IngestServiceImpl:1606) - Unable to determine cluster members, will not be able to authenticate any downloads from them
org.opencastproject.util.NotFoundException: null
	at org.opencastproject.kernel.security.OrganizationDirectoryServiceImpl.getOrganization(OrganizationDirectoryServiceImpl.java:144) ~[?:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addContentToRepo(IngestServiceImpl.java:1601) [!/:?]
	at org.opencastproject.ingest.impl.IngestServiceImpl.addTrack(IngestServiceImpl.java:694) [!/:?]
	at org.opencastproject.ingest.endpoint.IngestRestService.addMediaPackage(IngestRestService.java:853) [!/:?]
	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) [!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) [!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) [!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) [!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:201) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:115) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:25,376 | INFO  | (IngestServiceImpl:1682) - Adding element of type Track to mediapackage 1f2b53c1-a798-45c4-8f37-b57c6c48f980
2022-04-21T18:20:25,377 | INFO  | (IngestServiceImpl:706) - Successful added track e090aff0-4a6c-4a32-9eac-de2fd10b35d5 on mediapackage 1f2b53c1-a798-45c4-8f37-b57c6c48f980 at URL http://localhost:8080/files/mediapackage/1f2b53c1-a798-45c4-8f37-b57c6c48f980/e090aff0-4a6c-4a32-9eac-de2fd10b35d5/Espresso_video.ogv
2022-04-21T18:20:25,415 | INFO  | (IngestServiceImpl:956) - Start adding catalog 140331f0-e72d-40d7-a63c-73a266e6b8a7 from input stream on mediapackage ID-espresso-video
2022-04-21T18:20:25,416 | INFO  | (IngestServiceImpl:1682) - Adding element of type Catalog to mediapackage ID-espresso-video
2022-04-21T18:20:25,417 | INFO  | (IngestServiceImpl:995) - Successful added catalog 140331f0-e72d-40d7-a63c-73a266e6b8a7 on mediapackage ID-espresso-video at URL http://localhost:8080/files/mediapackage/ID-espresso-video/140331f0-e72d-40d7-a63c-73a266e6b8a7/dublincore.xml
2022-04-21T18:20:25,424 | INFO  | (IngestServiceImpl:1153) - Starting a new workflow with ingested mediapackage ID-espresso-video based on workflow definition 'fast'
2022-04-21T18:20:25,424 | INFO  | (IngestServiceImpl:1540) - Ingested mediapackage ID-espresso-video is processed using workflow template 'fast', specified during ingest
2022-04-21T18:20:25,425 | INFO  | (IngestServiceImpl:1330) - No capture event found for id ID-espresso-video
2022-04-21T18:20:25,426 | INFO  | (IngestServiceImpl:1176) - Starting new workflow with ingested mediapackage 'ID-espresso-video' using the specified template 'fast'
2022-04-21T18:20:25,431 | INFO  | (AssetManagerImpl:1255) - Creating new version 0 of media package ID-espresso-video
2022-04-21T18:20:25,458 | INFO  | (AssetManagerImpl:403) - Send update message for snapshot ID-espresso-video, 0 to ActiveMQ
2022-04-21T18:20:26,167 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,170 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,173 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,166 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,176 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,185 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,176 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,214 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,217 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,220 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,213 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,223 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,223 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,231 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,260 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,263 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,267 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,260 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,270 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,271 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,279 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,300 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,300 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,304 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,305 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,307 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,310 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,320 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,341 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,341 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,344 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,344 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,346 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,349 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,357 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,384 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,388 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,384 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,391 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,394 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,396 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,404 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,432 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,436 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,440 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,431 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,443 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,452 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,444 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,481 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,485 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,488 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,481 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,492 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,501 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,492 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,526 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,530 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,533 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,526 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,536 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,537 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,547 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,576 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,579 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,582 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,575 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,585 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,586 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,596 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,622 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,624 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,626 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,627 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,632 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,622 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,633 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,661 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,660 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,664 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,664 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,666 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,669 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,677 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,706 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,710 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,713 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,706 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,716 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,726 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,717 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,756 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,759 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,763 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,755 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,766 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,775 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,767 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,803 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,803 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,806 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,809 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,809 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,812 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,819 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,846 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,845 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,849 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,849 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,851 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,854 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,863 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,884 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,886 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,889 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,890 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,895 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,884 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,898 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,918 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,921 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,923 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,918 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,926 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,931 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,928 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,951 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,952 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,953 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:26,955 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:26,960 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:26,950 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:26,962 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,006 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,011 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,016 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,005 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,021 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,021 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,034 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,061 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,065 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,060 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,068 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,069 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,071 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,078 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,098 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,100 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,102 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,098 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,104 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,104 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,109 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,131 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,133 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,135 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,131 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,137 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,137 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,142 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,162 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,165 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,168 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,162 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,170 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,171 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,178 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,202 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,201 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,206 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,208 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,206 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,212 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,230 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,255 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,258 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,259 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,261 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,265 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,255 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,266 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,294 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,297 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,300 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,294 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,302 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,303 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,311 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,333 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,334 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,336 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,337 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,341 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,333 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,347 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,366 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,368 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,373 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,365 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,376 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,381 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,379 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,412 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,415 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,418 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,412 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,421 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,429 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,423 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,454 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,456 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,457 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,459 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,462 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,454 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,466 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,484 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,485 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,486 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,488 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,492 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,483 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,495 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,513 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,516 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,519 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,513 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,523 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,532 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,525 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,556 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,555 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,559 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,561 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,560 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,564 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,571 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,596 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,598 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,600 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,596 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,601 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,607 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,603 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,630 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,635 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,630 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,638 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,642 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,642 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,650 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,671 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,675 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,678 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,670 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,680 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,689 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,682 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,719 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,722 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,724 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:29,718 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:29,725 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:29,731 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:29,729 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,775 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,777 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,779 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,782 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,786 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:31,775 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:31,787 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,812 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,814 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,816 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,817 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,822 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:31,812 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:31,826 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,847 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,850 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,853 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,847 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:31,857 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,865 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:31,861 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,888 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,890 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,891 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,893 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,897 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:31,888 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:31,901 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,921 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,924 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,925 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,927 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,932 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:31,920 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:31,936 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,950 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,949 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:31,953 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,954 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,957 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,959 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,967 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:31,991 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,993 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,994 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:31,991 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:31,995 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:31,998 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:31,997 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,021 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,024 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,020 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,027 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,027 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,029 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,037 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,062 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,064 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,065 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,066 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,069 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,062 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,070 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,095 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,097 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,098 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,099 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,103 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,095 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,106 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,123 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,123 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,126 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,130 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,128 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,132 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,140 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,163 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,165 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,168 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,163 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,171 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,178 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,173 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,204 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,207 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,210 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,203 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,212 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,219 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,213 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,239 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,241 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,242 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,239 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,245 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,244 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,251 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,271 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,272 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,273 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,274 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,278 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,270 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,280 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,299 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,300 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,302 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,298 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,304 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,309 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,308 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,337 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,336 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,340 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,343 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,341 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,346 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,353 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,375 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,377 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,378 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,374 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,379 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,383 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,381 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,402 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,403 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,404 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:32,406 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:32,409 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:32,401 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:32,411 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,450 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,454 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,456 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,450 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,457 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,463 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,460 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,488 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,491 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,494 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,487 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,497 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,502 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,499 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,532 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,535 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,538 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,532 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,540 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,545 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,541 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,571 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,573 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,576 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,570 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,578 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,585 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,580 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,607 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,609 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,607 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,610 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,611 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,612 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,619 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,641 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,643 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,641 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,644 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,646 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,647 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,657 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,682 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,687 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,681 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,691 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,692 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,694 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,701 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,727 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,730 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,732 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,727 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,734 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,741 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,738 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,776 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,781 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,783 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,776 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,786 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,787 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,794 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,817 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,820 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,823 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,817 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,825 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,833 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,826 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,857 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,861 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,863 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,857 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,866 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,874 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,867 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,894 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,896 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,897 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,899 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,904 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,894 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,904 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,930 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,934 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,930 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,937 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,941 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,940 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,951 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:34,977 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,980 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,976 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:34,983 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:34,987 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,987 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:34,997 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:35,028 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,033 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,038 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,027 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:35,042 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,043 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,051 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:35,079 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,079 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:35,082 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,083 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,084 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,087 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,096 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:35,125 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,129 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,132 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,125 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:35,136 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,135 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,145 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:35,168 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,174 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,178 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,168 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:35,181 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,182 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,188 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:35,212 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,214 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,215 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:35,216 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:35,221 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:35,212 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:35,224 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,277 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,281 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,284 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,277 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,287 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,295 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,288 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,324 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,328 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,323 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,332 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,333 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,336 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,346 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,368 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,368 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,373 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,373 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,376 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,378 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,388 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,416 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,420 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,415 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,424 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,425 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,427 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,435 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,464 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,467 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,470 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,464 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,473 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,482 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,474 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,510 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,515 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,510 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,519 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,521 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,523 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,536 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,565 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,569 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,564 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,573 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,575 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,578 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,587 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,612 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,614 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,615 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,617 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,622 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,612 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,623 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,648 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,647 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,651 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,651 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,654 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,655 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,660 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,679 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,678 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,681 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,682 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,684 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,686 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,695 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,718 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,717 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,721 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,724 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,723 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,727 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,736 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,770 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,775 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,770 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,780 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,781 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,783 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,794 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,821 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,824 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,826 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,821 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,828 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,833 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,831 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,868 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,868 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,872 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,875 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,874 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,878 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,888 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,908 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,910 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,911 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,908 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,914 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,913 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,918 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,943 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,947 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,949 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,942 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,953 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,952 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:37,963 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:37,991 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,994 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,991 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:37,997 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:37,999 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:38,001 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:38,012 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:38,039 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:38,043 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:38,039 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:38,046 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:38,049 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:38,048 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:38,058 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:38,080 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:38,082 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:38,083 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:38,079 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:38,085 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:38,090 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:38,085 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,134 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,137 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,139 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,133 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,142 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,143 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,151 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,178 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,179 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,181 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,182 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,187 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,177 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,190 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,220 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,219 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,223 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,224 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,226 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,229 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,238 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,264 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,264 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,268 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,268 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,270 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,273 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,281 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,309 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,313 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,309 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,316 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,317 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,319 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,328 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,355 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,361 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,365 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,355 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,370 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,371 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,383 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,410 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,413 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,415 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,410 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,417 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,418 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,424 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,445 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,448 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,450 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,445 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,452 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,453 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,459 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,487 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,486 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,492 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,492 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,496 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,500 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,508 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,537 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,540 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,543 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,536 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,545 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,546 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,554 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,582 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,585 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,588 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,582 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,591 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,599 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,592 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,626 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,629 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,631 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,626 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,634 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,642 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,635 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,670 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,680 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,669 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,684 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,686 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,688 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,697 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,725 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,728 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,725 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,731 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,732 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,734 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,742 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,770 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,769 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,773 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,776 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,775 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,780 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,789 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,816 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,821 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,826 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,816 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,830 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,831 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,843 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,870 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,873 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,876 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,869 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,879 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,880 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,887 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,918 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,918 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,922 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,925 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,923 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,928 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,938 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,961 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,963 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,965 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:40,960 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:40,966 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:40,971 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:40,967 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,005 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,008 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,011 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,005 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,013 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,020 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,016 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,045 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,047 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,048 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,049 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,052 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,045 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,057 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,079 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,079 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,082 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,085 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,084 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,088 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,093 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,114 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,116 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,114 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,118 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,119 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,119 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,125 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,145 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,145 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,148 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,149 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,151 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,153 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,161 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,182 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,182 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,185 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,186 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,190 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,194 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,204 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,228 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,232 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,228 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,235 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,237 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,239 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,247 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,269 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,268 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,272 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,275 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,274 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,278 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,286 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,308 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,310 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,311 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,308 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,312 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,316 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,315 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,337 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,339 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,340 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,341 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,344 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,337 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,346 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,371 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,371 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,376 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,379 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,377 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,381 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,388 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,414 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,414 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,417 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,417 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,420 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,425 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,432 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,458 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,457 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,460 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,462 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,464 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,466 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,474 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,495 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,497 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,499 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,495 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,501 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,501 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,506 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,531 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,531 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,534 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,537 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,535 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,540 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,546 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,567 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,569 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,570 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,567 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,571 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,574 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,572 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,596 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,599 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,596 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,601 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,602 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,604 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,612 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,636 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,639 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,641 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,635 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,643 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,646 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,645 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,666 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,667 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,668 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:43,669 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:43,672 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:43,666 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:43,676 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,709 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,712 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,714 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,709 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,717 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,723 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:45,718 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,746 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,748 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,749 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,750 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,754 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:45,746 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,755 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,774 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,776 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,778 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,774 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,779 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,784 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:45,780 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,801 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,803 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,801 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,804 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,806 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,808 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,817 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:45,842 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,842 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,845 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,847 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,846 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,849 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,853 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:45,877 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,878 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,880 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,876 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,881 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,886 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:45,882 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,910 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,912 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,914 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,910 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,915 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,920 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:45,916 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,942 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,941 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,945 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,946 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,947 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,949 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,958 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:45,981 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,981 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:45,984 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,984 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,986 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:45,990 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:45,995 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,016 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,019 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,016 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,021 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,023 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,025 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,033 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,055 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,057 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,055 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,059 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,061 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,061 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,065 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,091 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,091 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,094 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,095 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,097 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,099 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,107 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,134 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,134 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,137 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,139 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,138 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,142 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,150 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,176 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,176 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,179 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,181 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,180 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,184 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,191 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,215 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,217 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,219 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,215 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,221 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,221 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,225 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,249 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,249 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,252 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,252 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,254 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,256 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,264 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,288 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,288 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,291 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,292 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,300 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,302 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,307 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,332 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,335 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,331 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,338 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,341 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,342 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,351 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:46,379 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,378 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:46,382 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,385 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:46,384 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,388 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:46,395 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,437 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,439 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,441 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,437 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,442 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,448 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:560, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,446 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,472 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,471 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,475 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,478 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,477 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,480 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,484 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:564, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,507 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,506 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,510 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,511 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,513 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,516 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,524 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:568, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,551 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,550 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,554 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,555 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,557 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,559 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,566 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:572, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,589 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,591 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,592 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,589 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,593 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,597 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:576, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,596 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,623 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,622 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,626 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,629 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,628 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,631 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,638 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:580, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,664 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,664 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,667 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,670 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,669 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,673 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,681 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:584, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,704 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,707 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,704 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,709 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,711 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,714 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:588, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,710 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,736 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,737 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,739 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,741 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,745 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:592, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,736 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,746 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,773 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,775 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,776 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,778 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,781 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:596, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,772 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,782 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,808 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,808 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,812 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,812 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,814 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,817 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,825 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1351, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,846 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,848 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,849 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,846 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,850 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,851 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,856 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1355, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,879 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,880 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,882 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,878 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,883 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,887 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1359, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,884 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,912 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,913 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,914 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,916 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,919 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1363, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,912 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,920 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,941 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,941 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,944 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,947 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,946 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,950 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,959 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1367, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,981 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,983 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,984 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:48,981 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:48,985 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:48,989 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1371, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:48,987 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:49,011 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,014 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,016 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,011 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:49,019 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:49,026 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1375, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:49,020 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:49,048 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,051 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,053 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,048 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:49,056 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:49,062 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1379, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:49,059 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:49,087 | WARN  | (LogUtils:468) - Application {http://endpoint.adminui.opencastproject.org/}SeriesEndpoint has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,087 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory exception: org/opencastproject/security/api/TrustedHttpClient
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:88) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:675) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/opencastproject/security/api/TrustedHttpClient
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
Caused by: java.lang.ClassNotFoundException: org.opencastproject.security.api.TrustedHttpClient not found by opencast-cover-image-remote [80]
	at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1639) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80) ~[?:?]
	at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053) ~[?:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
	at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:?]
	at java.lang.Class.privateGetDeclaredMethods(Class.java:3166) ~[?:?]
	at java.lang.Class.getDeclaredMethods(Class.java:2309) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObjectAssignableMethod(BindMethod.java:477) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.doFindMethod(BindMethod.java:183) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.findMethod(BaseMethod.java:173) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$400(BaseMethod.java:41) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.resolve(BaseMethod.java:622) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod$NotResolved.methodExists(BaseMethod.java:646) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BaseMethod.methodExists(BaseMethod.java:548) ~[?:?]
	at org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:670) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2556) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1398) ~[?:?]
	at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1827) ~[?:?]
	at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1057) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:953) ~[?:?]
	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:918) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) ~[?:?]
	... 143 more
2022-04-21T18:20:49,091 | WARN  | (PhaseInterceptorChain:501) - Exception in handleFault on interceptor org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor@42c6cad2
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,093 | ERROR | (EventDispatcher:881) - FrameworkEvent ERROR
org.osgi.framework.ServiceException: Service factory returned null. (Component: org.opencastproject.workflow.handler.coverimage.CoverImageWorkflowOperationHandler (113))
	at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380) ~[?:?]
	at org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) ~[?:?]
	at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) ~[?:?]
	at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?]
	at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:459) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[?:?]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[?:?]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[?:?]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[?:?]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) ~[?:?]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[?:?]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[?:?]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[?:?]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[?:?]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[?:?]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[?:?]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[?:?]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:49,094 | ERROR | (AbstractFaultChainInitiatorObserver:114) - An unexpected error occurred during error handling. No further error processing will occur.
org.apache.cxf.interceptor.Fault: Handler cannot be null
	at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[!/:3.4.6]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[!/:3.4.6]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[!/:3.4.6]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) [!/:3.4.6]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) [!/:3.4.6]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) [!/:3.4.6]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) [!/:3.4.6]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) [!/:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) [!/:3.4.6]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) [!/:3.4.6]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) [!/:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) [!/:3.1.7.RELEASE]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) [!/:3.1.4.RELEASE]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) [!/:3.1.4.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [!/:3.1.7.RELEASE]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [!/:3.1.7.RELEASE]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) [!/:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) [!/:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) [!/:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[!/:3.4.6]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[!/:3.4.6]
	... 117 more
2022-04-21T18:20:49,097 | WARN  | (HttpChannel:677) - /workflow/dispatch
java.lang.IllegalArgumentException: Handler cannot be null
	at org.opencastproject.workflow.impl.WorkflowServiceImpl$HandlerRegistration.<init>(WorkflowServiceImpl.java:2208) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getRegisteredHandlers(WorkflowServiceImpl.java:461) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.getWorkflowOperationHandler(WorkflowServiceImpl.java:470) ~[?:?]
	at org.opencastproject.workflow.impl.WorkflowServiceImpl.isReadyToAccept(WorkflowServiceImpl.java:1707) ~[?:?]
	at org.opencastproject.rest.AbstractJobProducerEndpoint.dispatchJob(AbstractJobProducerEndpoint.java:77) ~[?:?]
	at jdk.internal.reflect.GeneratedMethodAccessor78.invoke(Unknown Source) ~[?:?]
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
	at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179) ~[?:?]
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201) ~[?:?]
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) ~[?:?]
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) ~[?:?]
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) ~[?:?]
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) ~[?:?]
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:265) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208) ~[?:?]
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160) ~[?:?]
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304) ~[?:?]
	at org.opencastproject.kernel.rest.RestPublisher$RestServlet.handleRequest(RestPublisher.java:571) ~[?:?]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:217) ~[?:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) ~[!/:3.1.0]
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626) ~[?:?]
	at org.opencastproject.kernel.rest.JsonpFilter.doFilter(JsonpFilter.java:125) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.proxy.TransparentProxyFilter.doFilter(TransparentProxyFilter.java:75) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.security.urlsigning.filter.UrlSigningFilter.doFilter(UrlSigningFilter.java:100) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.RemoteUserAndOrganizationFilter.doFilter(RemoteUserAndOrganizationFilter.java:260) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CurrentJobFilter.doFilter(CurrentJobFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) ~[?:?]
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.opencastproject.kernel.security.AsyncTimeoutRedirectFilter.doFilter(AsyncTimeoutRedirectFilter.java:60) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:98) ~[?:?]
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.security.web.authentication.www.DigestAuthenticationFilter.doFilter(DigestAuthenticationFilter.java:209) ~[?:?]
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:102) ~[?:?]
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:82) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter.doFilter(DefaultLoginPageGeneratingFilter.java:91) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) ~[?:?]
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) ~[?:?]
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) ~[?:?]
	at org.opencastproject.kernel.security.SecurityFilter.doFilter(SecurityFilter.java:138) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.security.OrganizationFilter.doFilter(OrganizationFilter.java:149) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.filter.https.HttpsFilter.doFilter(HttpsFilter.java:85) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.opencastproject.kernel.rest.CleanSessionsFilter.doFilter(CleanSessionsFilter.java:101) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:228) ~[?:?]
	at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[?:?]
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[?:?]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:71) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:298) ~[?:?]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[?:?]
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[!/:9.4.43.v20210629]
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:82) ~[?:?]
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633) ~[!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:386) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) [!/:9.4.43.v20210629]
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) [!/:9.4.43.v20210629]
	at java.lang.Thread.run(Thread.java:829) [?:?]
2022-04-21T18:20:49,105 | WARN  | (ServiceRegistryJpaImpl$JobDispatcher:3215) - Service org.opencastproject.workflow@http://localhost:8080 failed (500) accepting Job {id:1383, operation:START_WORKFLOW, status:DISPATCHING}
2022-04-21T18:20:49,901 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.editor@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:49,938 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.transcription.googlespeech@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:49,949 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.adminui.StatisticsEndpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:49,958 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.external.statistics@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:49,967 | INFO  | (StatisticsExportServiceImpl:148) - Deactivating Statistics Service
2022-04-21T18:20:49,968 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.assetmanager@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:49,977 | INFO  | (IndexRebuildService:229) - Service AssetManager removed.
2022-04-21T18:20:49,977 | INFO  | (IndexRebuildService:244) - Unregister IndexRebuildService.
2022-04-21T18:20:49,978 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.elasticsearch.index.endpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:49,988 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.adminui.GroupsEndpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:49,994 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.adminui.OsgiEventEndpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,001 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.adminui.ListProvidersEndpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,009 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.adminui.SeriesEndpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,015 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.adminui.ToolsEndpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,022 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.external.events@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,029 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.external@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,034 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.external.workflows.instances@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,041 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.lti.service.remote@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,047 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.lti.service@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,055 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.transcription.amberscript@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,063 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.transcription.ibmwatson@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,071 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.adminui.endpoint.TasksEndpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,077 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.authorization.xacml.manager@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,082 | INFO  | (OsgiAclServiceRestEndpoint:78) - Stop ACL manager rest service
2022-04-21T18:20:50,087 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.capture.admin@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,092 | INFO  | (IndexRebuildService:229) - Service Scheduler removed.
2022-04-21T18:20:50,097 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.scheduler@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,104 | INFO  | (LiveScheduleMessageReceiver:184) - Removing live schedule message handler for SCHEDULER.Liveschedule
2022-04-21T18:20:50,104 | INFO  | (LiveScheduleMessageReceiver$MessageWatcher:150) - Stopping listening for SCHEDULER.Liveschedule update messages
2022-04-21T18:20:50,106 | INFO  | (LiveScheduleMessageReceiver:83) - Deactivating org.opencastproject.liveschedule.message.LiveScheduleMessageReceiver
2022-04-21T18:20:50,106 | INFO  | (LiveScheduleMessageReceiver:184) - Removing live schedule message handler for ASSETMANAGER.Liveschedule
2022-04-21T18:20:50,106 | INFO  | (LiveScheduleMessageReceiver$MessageWatcher:150) - Stopping listening for ASSETMANAGER.Liveschedule update messages
2022-04-21T18:20:50,108 | INFO  | (IndexRebuildService:229) - Service Workflow removed.
2022-04-21T18:20:50,110 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.adminui.endpoint.JobEndpoint@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,117 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.incident@http://localhost:8080 and cleaning its running jobs
2022-04-21T18:20:50,125 | INFO  | (ServiceRegistryJpaImpl:1454) - Unregistering Service org.opencastproject.ingest@http://localhost:8080 and cleaning its running jobs